The research team set out to answer a deceptively simple question: can reading the right book, in the right way, with the right guidance, change how traumatized adolescents think, feel, and communicate? To find out, they designed a quasi-experimental study with a pretest–posttest control group structure, recruiting middle school students living in the earthquake-affected region. One group took part in a twelve-week, multicomponent bibliotherapy program, while a comparison group continued with the regular educational curriculum. Psychological flexibility and four language-related outcomes—listening, speaking, reading comprehension, and writing—were measured before and after the intervention period.

The program’s backbone was Russ Harris’s book The Reality Slap, a popular psychology text that translates the core processes of acceptance and commitment therapy, or ACT, into accessible language. ACT rests on the idea that psychological suffering often stems not from painful experiences themselves but from rigid attempts to avoid or control them. Psychological flexibility, the therapy’s central target, is the capacity to stay in contact with difficult thoughts and feelings while still pursuing valued actions. For children who had survived a catastrophe, this framework had an obvious appeal: rather than asking them to talk directly about their trauma, the program gave them a book that talked about suffering, loss, and rebuilding in general terms they could approach at their own pace.

Each weekly session followed a structured format that went well beyond silent reading. Students read designated chapters and page ranges chosen to align with the thematic focus of that week and the specific ACT process being targeted. Around the reading, the researchers layered guided activities: metaphor-based exercises drawn from the ACT tradition, mindfulness practices designed to anchor attention in the present moment, reflective writing assignments, and group discussions in which students could respond to the material and to one another. This multicomponent design is significant from a technical standpoint, because it means the intervention cannot be reduced to reading alone; it combined exposure to narrative content, emotional regulation practice, expressive language production, and peer interaction within a single protocol.

The results, analyzed with attention to the study’s nonrandom design, were nuanced. The researchers reported significant differential changes between the intervention and control groups for psychological flexibility and for reading comprehension, the two outcomes where the evidence was most consistent. For listening skills, the picture was mixed: the primary Time × Group interaction reached the conventional 0.05 significance threshold, but the effect did not survive Bonferroni correction, a statistical procedure that adjusts for multiple comparisons to guard against false positives. However, a baseline-adjusted analysis of covariance did show a statistically significant between-group difference for listening, with a p-value of 0.008. Because the two analytical approaches disagreed, the authors explicitly advised that the listening findings be interpreted cautiously.

For the remaining two language outcomes, the evidence was clearer in its absence. The Time × Group interactions for speaking and writing were not statistically significant, meaning the program could not be shown to have produced measurable gains in those skills relative to the control condition. This pattern is instructive. Reading comprehension, which is practiced directly every time a student works through a chapter of The Reality Slap, improved as one might expect from sheer dose and engagement. Listening, which is exercised during group discussions and guided reading, showed a weaker and analytically unstable signal. Speaking and writing, which were practiced through reflective and dialogic activities but perhaps with less intensity or individual feedback, showed no detectable advantage over ordinary schooling.

The authors are unusually candid about the limits of their design, and that candor matters for how the findings should be used. Because participants were not randomly assigned to conditions, pre-existing differences between the groups could have influenced the results. The control group received regular education rather than an attention-matched active control, meaning that some of the observed benefit could reflect extra adult attention, group belonging, or structured activity rather than bibliotherapy specifically. The researchers state plainly that the findings should not be interpreted as definitive causal effects attributable exclusively to bibliotherapy. In intervention science, this kind of restraint is a marker of credibility rather than weakness: it tells practitioners exactly how far the evidence can be pushed.

Even with those caveats, the study carries real weight for disaster response. Psychosocial support after mass disasters is chronically undersupplied, particularly in regions where the disaster itself has damaged the infrastructure that professional mental health services depend on. Bibliotherapy has long attracted interest precisely because it is inexpensive, does not require a clinician for every participant, and can be delivered in schools by trained facilitators. The present study adds something the field has often lacked: a fully specified protocol, tied to a specific book and a specific therapeutic model, tested against a comparison group with standardized outcome measures spanning both psychological and linguistic domains.

The dual outcome focus is also what makes the study distinctive. Most bibliotherapy research targets psychological symptoms alone, but these researchers treated language as an outcome in its own right, reasoning that trauma in children often manifests as difficulty with self-expression and that a reading-based intervention might simultaneously strengthen the very skills children need to process and communicate difficult experiences. The partial confirmation of that hypothesis—strong for psychological flexibility and reading comprehension, weak for listening, absent for speaking and writing—gives future researchers a map of where to concentrate effort, perhaps by adding explicit speaking and writing components or by extending the program beyond twelve weeks.

The study was conducted in accordance with the Declaration of Helsinki, approved by the Adıyaman University Social and Human Sciences Ethics Committee, and carried out with written informed consent from parents or legal guardians along with voluntary assent from the students themselves. It received financial support from the Ministry of Youth and Sports of the Republic of Türkiye through the Disaster Empowerment Support Program for Young People Affected by Disasters. Published open access, the work invites replication in other disaster settings, and its honest accounting of what worked, what did not, and what remains uncertain offers a template for how school-based psychological interventions should be evaluated. For the children of Kahramanmaraş and the regions around it, the message is quietly hopeful: sometimes the path from trauma back to words begins with a book, a group, and twelve weeks of guided reading.

Subject of Research: Effects of an ACT-based bibliotherapy intervention on psychological flexibility and language skills in children affected by the 2023 Kahramanmaraş earthquakes in Türkiye

Article Title: From trauma to words: the effect of bibliotherapy on psychological flexibility and language skills in children affected by an earthquake

Article References: Doyumgaç, İ., Akyüz, A. N., Söner, O., & Tanhan, A. (2026). From trauma to words: the effect of bibliotherapy on psychological flexibility and language skills in children affected by an earthquake. BMC Psychology. https://doi.org/10.1186/s40359-026-05756-z

Image Credits: AI Generated

DOI: 10.1186/s40359-026-05756-z

Keywords: bibliotherapy, psychological flexibility, acceptance and commitment therapy, earthquake, trauma, children, language skills, reading comprehension, disaster intervention, quasi-experimental study, Türkiye, BMC Psychology

The core of the method rests on two well-established tools: Geographic Information Systems, or GIS, and the Analytic Hierarchy Process, known as AHP. GIS provides the digital canvas on which every piece of evidence—rainfall records, population density, building stock, industrial locations—is laid out as a layer of geographic data. AHP, a decision-making technique developed by mathematician Thomas Saaty in 1980, supplies the logic for weighing those layers against one another. Experts make structured pairwise comparisons, judging which hazard or indicator matters more than another, and the technique converts those judgments into numerical weights. In this study, every judgment matrix passed the standard consistency test, with a consistency ratio below 0.10, meaning the expert comparisons were internally coherent rather than arbitrary.

The framework follows the classic structure of disaster risk science: risk emerges where hazard, exposure, and vulnerability intersect. Hazard describes the physical threat itself, such as the likelihood of intense rainfall or heavy snowfall. Exposure captures what lies in harm’s way, including people, buildings, and infrastructure. Vulnerability measures how susceptible those exposed elements are to damage. For each of the six components, the researchers assembled indicator sets spanning these three dimensions, standardized the values so that wildly different units—millimeters of rain, population counts, seismic parameters—could be compared, applied the AHP-derived weights, and then overlaid everything in GIS to produce composite risk scores for every part of the city.

What makes the Changchun study unusual is the inclusion of a production-safety component alongside five natural hazards. Industrial accidents—fires, chemical releases, explosions at petrochemical facilities—are not natural disasters, but in a dense city they can be triggered or amplified by natural events, a coupling that disaster researchers call Na-Tech risk. The team drew on Chinese national fire-protection design codes for petrochemical enterprises and for buildings to screen industrial activity across the urban area. The result is a framework that treats the city as a single coupled system in which a flood or an earthquake could conceivably set off a chain of technological failures, rather than a patchwork of separate hazard zones managed by separate agencies.

The maps that emerged reveal striking spatial heterogeneity. High-risk areas cluster in the central urban districts, particularly Erdao District and Lvyuan District, along with the surrounding industrial clusters. This pattern is no accident: the same forces that make a city center economically vibrant—dense populations, aging infrastructure, concentrated industry—also make it a place where multiple hazards converge on maximum exposure. Meanwhile, the different hazard components behaved very differently across space. Flood risk and snowstorm risk spread broadly across the landscape, reflecting the regional reach of heavy precipitation and severe winter weather in this continental climate. The production-safety screening, by contrast, was tightly concentrated around zones of industrial activity, tracing the footprint of factories and chemical parks.

That contrast carries a practical message. A hazard like snowfall blankets nearly everything, so mitigation must be systemic—snow-removal capacity, roof-load standards, transportation resilience. An industrial-safety hazard, on the other hand, is a point-source problem where targeted inspections, buffer zones, and emergency-response planning around specific facilities can deliver outsized benefits. The study found meaningful spatial overlap between the natural-hazard components and the production-safety screening values, which is precisely the overlap that disaster-chain researchers worry about: the places most likely to flood or shake are also, in Changchun’s case, places where industrial vulnerability is elevated. A single flood there could cascade into accidents at facilities never designed with water in mind.

The data underpinning the assessment came from an unusually broad set of sources, reflecting the scale of China’s recent investment in disaster preparedness. The team drew on the First National Comprehensive Natural Disaster Risk Census, a nationwide effort to catalog hazard conditions across every province, along with municipal statistical bulletins, national earth-system science datasets, the Geospatial Data Cloud platform, WorldPop gridded population data, and OpenStreetMap. This mixture of official census data, remote-sensing products, and crowdsourced mapping illustrates how modern risk assessment increasingly assembles its evidence base from many streams, each contributing a different resolution and perspective on the same urban terrain.

The authors are candid about the framework’s boundaries. AHP weights, however carefully constructed, encode expert judgment rather than objective measurement, and the consistency test validates the logic of the comparisons, not the truth of the resulting priorities. The researchers also note that their workflow is regionally specific: other cities adopting the approach would need to recalibrate the indicator system, the weights, and the data inputs to their own hazard profiles and urban forms. A coastal city facing typhoon surge would weight components very differently from an inland northern city like Changchun, where typhoon remnants and hailstorms matter but seismic hazard follows its own tectonic logic. The framework is a template, not a turnkey product.

Still, the timing and the approach align with a broader shift in how cities think about catastrophe. International frameworks for disaster risk reduction have pushed governments away from single-hazard silos toward multi-hazard assessment, and China’s own risk census has generated exactly the kind of raw material that makes such assessments feasible at municipal scale. Comparable GIS-and-AHP studies have recently appeared for South Korea’s Gyeonggi Province, the Salt Lake watershed in the United States, and the Quinali watershed in the Philippines, suggesting a growing global repertoire of methods for stacking hazards on one map. Changchun’s contribution is to demonstrate how a technological-risk screening can sit inside that stack, bridging the institutional gap between natural-disaster agencies and workplace-safety regulators.

For the people who live in Erdao and Lvyuan, the maps translate into concrete questions: where to reinforce drainage before the next summer downpour, which industrial perimeters need stricter inspection, where emergency shelters should stand relative to both floodplains and hazardous facilities. The study offers targeted recommendations for disaster prevention, mitigation, and territorial spatial planning, positioning the assessment as a foundation for sustainable urban development rather than an academic exercise. As climate change reshapes the frequency of floods, storms, and snow events across the world’s mid-latitude cities, and as industry continues to cluster near the populations it serves, the Changchun framework offers a replicable way to see the whole risk landscape at once—before the hazards, converging, see the city first.

Subject of Research: GIS- and AHP-based multi-hazard urban risk assessment integrating natural hazards and production-safety screening in Changchun, China

Article Title: Comprehensive risk assessment of multiple disasters in urban areas: the case of Changchun

Article References: Jin, P., Wan, Z., Shi, Z., Huang, L., Wang, K., Zhang, S., Guo, L., Liu, Z., Zhang, D., Fan, E., Ren, Y., Zhou, Y., Ma, H., Yao, X., & Zhou, X. (2026). Comprehensive risk assessment of multiple disasters in urban areas: the case of Changchun. Natural Hazards, 122(21), Article 667. https://doi.org/10.1007/s11069-026-08419-9

Image Credits: AI Generated

DOI: 10.1007/s11069-026-08419-9

Keywords: multi-hazard risk assessment, GIS, Analytic Hierarchy Process, Changchun, urban disaster risk, flood, snowstorm, earthquake, production safety, Na-Tech risk, spatial planning, Natural Hazards

Jan Mayen is an unlikely stage for a natural experiment in cascading hazards. The island lies roughly 500 kilometres east of Greenland and 550 kilometres north of Iceland, is politically part of Norway, and is uninhabited apart from the crew of a weather station. Like Iceland, it was forged by volcanic activity along the Mid-Atlantic Ridge, the undersea mountain chain where the Eurasian and North American tectonic plates pull apart. It hosts the world’s northernmost active volcano, Beerenberg, which last erupted in the 1980s. From the volcano’s crater rim, glaciers descend approximately 2,000 metres down to the coast, draped over steep volcanic slopes that have been locked in place by permafrost for millennia.

Permafrost, the permanently frozen ground that underlies much of the polar world, is far more than frozen soil. Within fractured rock, ice acts as a kind of geological cement, much as concrete binds aggregate in a building. When that ice thaws, the binding agent disappears and the rock mass becomes weak and unstable. Scientists have long warned that permafrost degradation can destabilize mountain slopes in Alaska, the Alps and the Himalayas. What the Jan Mayen event demonstrates is how this slow, climate-driven weakening can intersect with a sudden geophysical trigger, an earthquake, to produce a hazard cascade that neither process would likely have produced alone.

The earthquake itself was not unusual for the region. Jan Mayen sits in a seismically active zone, and earthquakes are a routine feature of life along the ridge system. What was extraordinary was the slope response. Satellite observations spanning the past 40 years show no evidence of an earthquake-triggered rock avalanche with a comparable debris extension anywhere on the island. The main shock of 10 March 2025 triggered a rock avalanche on the slope above the Kjerulf Glacier within minutes, and the resulting debris formed distinctive conical mounds known as molards, scattered across the ice roughly seven kilometres from the epicentre. Satellite data also documented earthquake-induced calving, the breaking off of ice, at the neighbouring Weyprecht Glacier.

To reconstruct what happened, the international team combined an unusually broad set of data. Local and regional seismic records pinned down the timing and energy of the main shock. Ground-shaking modelling estimated how strongly the slopes near the epicentre would have been shaken. High-resolution satellite imagery mapped the extent of the rock avalanche and the changes to both affected glaciers. Infrasound measurements, which detect low-frequency acoustic waves generated by large mass movements, helped determine the exact timing of the slope failure. Air temperature and long-term climate records completed the picture, allowing the researchers to place the event in its climatic context. This integration of methods enabled the team to reconstruct the sequence of events in remarkable detail for a site so remote that no human witnessed the failure.

The researchers’ central question was deceptively simple: why did this particular earthquake, in a region long accustomed to seismic shaking, produce such pronounced slope instability? Their answer points to an additional factor that has been accumulating for decades. As the climate continues to warm, permafrost degradation weakens the ice that helps bind fractures within the volcanic rock. The frozen water within those fractures, which helped stabilize the steep slopes for thousands of years, is gradually losing its binding effect. In effect, the geological glue holding Beerenberg’s flanks together is melting out from the inside, so that the same shaking that the slopes once shrugged off can now push them past the point of failure.

Lead author Dr Guilherme W. S. de Melo, a postdoctoral researcher in the Marine Geodynamics research unit at GEOMAR, described the 2025 earthquake as a striking example of cascading natural hazards. According to the study, this is the first documented earthquake-triggered rock avalanche on Jan Mayen island, and the volcanic slope may have become increasingly unstable due to permafrost degradation. The phrasing matters: the researchers do not claim the earthquake was caused by climate change, but rather that long-term warming likely made the rock more susceptible to earthquake shaking, amplifying the consequences of a hazard that has always existed in the region.

The implications reach well beyond the Arctic. De Melo drew a direct comparison with the recent disaster on the Nepal-China border, where the immediate trigger was a glacier and ice-rock collapse rather than an earthquake. In both cases, he noted, the broader context is the same: global warming and permafrost degradation can progressively destabilize slopes and glaciers, increasing the potential for cascading hazards. In high mountain Asia, tens of millions of people live in the path of glacial lakes and landslide-prone valleys, so the same weakening process documented on an uninhabited Arctic island could translate into far greater human consequences where steep, ice-cemented terrain sits above populated areas.

The study also highlights how hazard assessment may need to change in a warming world. Traditional seismic hazard maps consider ground shaking, distance to faults and local geology, but they rarely account for the slow climatic preconditioning of slopes. If permafrost degradation progressively lowers the threshold at which rock fails, then earthquakes of a given magnitude may produce landslides, avalanches and glacier destabilization that historical records would suggest were impossible. The Jan Mayen event provides a rare, cleanly documented case study: a seismically active region, four decades of satellite monitoring showing no comparable failures, and a single earthquake that suddenly produced one. That combination makes a strong argument that the baseline for slope stability has shifted.

Beyond GEOMAR, the research involved scientists from the Geological Survey of Norway, the GFZ Helmholtz Centre for Geosciences, the Universidade Federal do Rio Grande do Norte, the University of Bergen and NORSAR, reflecting the range of expertise needed to disentangle seismic, cryospheric and climatic signals. For glacier and permafrost regions worldwide, from the Andes to the Himalayas to the Arctic archipelagos, the message of the study is that climate change can act as a silent amplifier of natural hazards, weakening the frozen infrastructure of steep terrain long before any trigger arrives. When the shaking finally comes, the slopes may no longer be able to hold.

Subject of Research: Climate-driven permafrost degradation amplifying earthquake-triggered cascading hazards in the Arctic

Article Title: How climate change may amplify earthquake impacts in the Arctic

Article References: How climate change may amplify earthquake impacts in the Arctic. (n.d.). Original publication

Image Credits: AI Generated

DOI: Not provided

Keywords: permafrost, earthquake, rock avalanche, Jan Mayen, Arctic, climate change, glaciers, cascading hazards, GEOMAR, Beerenberg, slope stability, PNAS

The study, published in the journal Environmental Geochemistry and Health, was led by Serdar Çetinkaya and colleagues at the University of Health Sciences in Ankara, with additional participation from Lokman Hekim University. The team sampled municipal drinking water from all 11 districts of Kahramanmaraş Province at two time points: roughly 18 months after the earthquakes, in August 2024, and again at roughly 24 months, in February 2025. This two-timepoint design allowed the researchers to look not just at a single snapshot of contamination but at whether post-earthquake exposure patterns were persisting, shifting, or resolving over time.

The analytical backbone of the study was inductively coupled plasma mass spectrometry, or ICP-MS, a technique capable of detecting trace elements at concentrations down to parts per trillion. Water samples were analyzed in triplicate, and the team validated their measurements with matrix spike-recovery experiments, the raw data for which are included in the paper’s supplementary materials. The target analytes included the classic toxic metal(loid)s of environmental health concern: arsenic, lead, cadmium, chromium, and several others that can leach into groundwater from natural mineral deposits or from damaged and disturbed infrastructure.

The headline result is, on its face, reassuring. Every measured concentration of every trace element remained below the guideline values set by the World Health Organization and by Türkiye’s national drinking-water regulation, TS 266. When the researchers compressed their multi-element dataset into a Water Quality Index, a composite score that summarizes overall water quality on a scale where lower is better, the values ranged from just 3.1 to 13.4, well within the range considered excellent for drinking purposes. By conventional single-element standards, the tap water of Kahramanmaraş passed the test.

But the story becomes considerably more complicated when the team moved from individual contaminants to cumulative risk. Using both deterministic calculations and probabilistic Monte Carlo simulations, a statistical technique that runs thousands of hypothetical exposure scenarios by varying input parameters such as water consumption rates, body weight, and contaminant concentrations, the researchers estimated the aggregate non-carcinogenic and carcinogenic hazards facing adults and children in each district. The results revealed substantial spatial heterogeneity across the province, and they singled out one group as consistently the most vulnerable: children.

In up to four districts per sampling campaign, the cumulative hazard index for children exceeded the safety threshold of 1, the point at which estimated non-carcinogenic exposure crosses the level regulators consider acceptable. Arsenic was by far the largest contributor, accounting for approximately 76 percent of the total cumulative non-carcinogenic risk. This finding matters because arsenic is a well-established human carcinogen with a long list of additional toxic effects, and because children consume more water per unit of body weight than adults, amplifying their dose from any given concentration.

The carcinogenic risk calculations produced an even more striking pattern. Deterministic estimates of lifetime cancer risk exceeded the benchmark of 1 in 10,000, a widely used screening threshold, in 21 of the 44 district-period-population combinations analyzed. The exceedances clustered consistently in three districts: Afşin, Türkoğlu, and Elbistan. Notably, Afşin and Elbistan sit atop the Afşin-Elbistan lignite coal basin, a region whose coals are known from earlier geological studies to be enriched in trace elements, providing a plausible geological context for arsenic-rich groundwater in those areas.

Here the study delivers one of its most important and most easily misread findings. The apparent carcinogenic risk exceedances do not reflect a deterioration in the actual arsenic concentrations measured in the water, all of which remained below the WHO and Turkish guideline value of 10 micrograms per liter. Instead, they are driven largely by a regulatory change: in January 2025, the US Environmental Protection Agency’s Integrated Risk Information System, or IRIS, adopted a substantially higher oral cancer slope factor for inorganic arsenic, raising it from 1.5 to 32 per milligram per kilogram per day. That more-than-twentyfold increase in the toxicity parameter means that the same measured concentrations now translate into far higher estimated cancer risks than they would have under the old factor. The exceedances, in other words, are a product of updated toxicology meeting persistent low-level contamination, not of worsening water quality.

The Monte Carlo simulations, which account for uncertainty and variability in exposure parameters, identified the same three districts as recurring screening-level hotspots, lending statistical robustness to the spatial pattern. The authors are careful, however, about what their data can and cannot prove. Because the study lacks a pre-earthquake baseline and a comparable control area outside the earthquake zone, direct causal attribution to the seismic event is not possible. The findings are consistent with the hypothesis that major earthquakes can reshape drinking-water exposure patterns long after the immediate disaster period, a phenomenon documented in other seismic settings, including the 2016 Kumamoto earthquake in Japan and the Amatrice-Norcia sequence in central Italy, where hydrogeochemical changes in groundwater have been observed before and after major quakes. But consistency is not proof.

What the study does establish is methodological and practical. It is the first province-wide assessment of post-earthquake drinking-water quality and health risk following the 2023 Türkiye earthquakes, and it demonstrates why single-contaminant, single-timepoint compliance testing is insufficient in post-disaster settings. A water supply can meet every individual regulatory limit and still produce cumulative hazard indices above 1 for the most sensitive populations when multiple trace elements are considered together over years of consumption. The authors argue that post-disaster water management should incorporate cumulative, probabilistic, and long-term monitoring, with particular attention to districts like Afşin, Türkoğlu, and Elbistan where arsenic-driven risk persists. For the residents of Kahramanmaraş, the message is nuanced: their water is, by every conventional measure, safe to drink. Yet the invisible arithmetic of chronic, low-dose exposure, weighted by the newest and most conservative toxicological assessments, suggests that the true health legacy of the 2023 earthquakes may still be unfolding, quietly, one glass of water at a time.

Subject of Research: Post-earthquake drinking-water quality and health risk assessment in Kahramanmaraş Province, Türkiye

Article Title: Post-earthquake monitoring of drinking-water quality and health risk in Kahramanmaraş Province, Türkiye: a two-timepoint screening assessment

Article References: Çetinkaya, S., Aydin, H., Çetin, M., Macit, E., & Erdem, O. (2026). Post-earthquake monitoring of drinking-water quality and health risk in Kahramanmaraş Province, Türkiye: a two-timepoint screening assessment. Environmental Geochemistry and Health, 48(15), Article 621. https://doi.org/10.1007/s10653-026-03517-w

Image Credits: AI Generated

DOI: 10.1007/s10653-026-03517-w

Keywords: drinking water, arsenic, earthquake, Kahramanmaraş, health risk assessment, ICP-MS, Monte Carlo simulation, water quality index, trace elements, Türkiye, Environmental Geochemistry and Health, post-disaster monitoring

The research team, led by Bahar Sürmelihindi of Gaziantep University and colleagues from several Turkish institutions, focused on two very different plants with two very different relationships to the human diet. The first was Hypericum perforatum, commonly known as St. John’s wort, a medicinal herb widely harvested across Anatolia and consumed in teas and herbal preparations. The second was Capsicum annuum, the pepper, a staple vegetable crop grown intensively in the region. By comparing metal concentrations in both species and in the soils beneath them across earthquake-affected Hatay, Kahramanmaraş, Malatya, Adıyaman, and Gaziantep with control samples from Aydın and Manisa, the researchers could isolate the signature of seismic disturbance from the background of ordinary agricultural and industrial contamination.

The analytical backbone of the study was inductively coupled plasma mass spectrometry, or ICP-MS, a technique capable of detecting trace elements at concentrations down to parts per billion. Soil and plant samples were digested and introduced into a plasma torch heated to roughly 10,000 Kelvin, where individual atoms were ionized and sorted by their mass-to-charge ratio. This allowed the team to quantify a broad suite of elements, from essential macronutrients such as calcium, magnesium, and potassium to the notorious toxic quartet of cadmium, chromium, lead, and mercury, along with nickel, which emerged as one of the most striking signals in the dataset.

The results were unambiguous. Concentrations of multiple heavy metals were significantly higher in both soils and plant tissues from the earthquake-affected provinces than in the control sites. Nickel, an element that is toxic to humans at elevated doses and a known carcinogen through inhalation, ranged from 16 to 24 milligrams per kilogram in pepper fruits and reached concentrations as high as 48 milligrams per kilogram in St. John’s wort samples. Translocation factors, which describe the ratio of metal concentration in plant tissues to that in the surrounding soil, indicated a moderate transfer of metals from soil into edible plant parts. In plain terms, the earthquake-affected landscape was not merely contaminated; the contamination was finding its way into the plants that people harvest, eat, and brew.

One of the most intriguing signals came not from the toxic metals but from the benign ones. Elevated levels of calcium, magnesium, and potassium in the leaves of St. John’s wort pointed to an additional and somewhat unexpected source of input: post-earthquake dust deposition and demolition-derived particulates. When thousands of buildings collapse, they release enormous quantities of pulverized concrete, masonry, plaster, and mineral dust that settle on soil surfaces and plant foliage. That dust carries its own elemental fingerprint, rich in the calcium silicates and carbonates of construction materials, and the researchers argue that this deposition contributed measurably to the mineral load observed in plant leaves. It is a reminder that an earthquake’s environmental footprint is not confined to the ground rupture; it extends into the air and settles back down over everything that grows.

The toxic metals told a more complicated story. Increased concentrations of cadmium, chromium, lead, and mercury were detected across the affected region, but they were particularly pronounced in the industrialized provinces. This spatial pattern suggests that the earthquake did not create these contaminants so much as redistribute and remobilize them. Southern Turkey hosts substantial industrial activity, including cement production, metal processing, and textile manufacturing, all of which leave legacy deposits of heavy metals in soils and sediments. Seismic shaking can crack containment structures, disturb buried waste, liquefy waterlogged sediments, and grind contaminated materials into finer, more mobile particles. Previous research on transient seismic stresses has shown that earthquakes can dramatically alter the permeability of soils and aquifers, changing how water and dissolved substances move through the subsurface. The new study is consistent with the hypothesis that such post-earthquake environmental changes, including soil degradation and particle redistribution, can increase the bioavailability of heavy metals and their uptake by plant roots.

The statistical evidence reinforces the pattern. Using one-way analysis of variance, the team found highly significant differences between earthquake-affected and control regions, with a p-value of 0.001, meaning there is only about a one in a thousand chance that the observed differences arose from random variation alone. In environmental monitoring, where natural heterogeneity in soil chemistry often muddies comparisons between sites, a result this clean across multiple elements and two plant species is notable. It suggests the seismic signal is real, systematic, and detectable through the noise of ordinary agricultural variation.

The choice of study plants matters for interpreting the findings. St. John’s wort is a medicinal plant whose dried aerial parts are consumed in concentrated forms, meaning that any metal burden it carries is delivered directly to consumers, often in the name of health. The species is also known from prior research to accumulate metals from soil, making it a useful biological monitor of environmental contamination. Peppers, by contrast, are a fresh food crop, and the detection of nickel at 16 to 24 milligrams per kilogram in the fruits raises immediate questions about dietary exposure thresholds. International food safety standards set limits for cadmium and lead in vegetables, and while the study did not perform a formal health risk assessment, the authors explicitly flag the need for further research into the potential food safety of edible plant tissues from the affected region. That caution is warranted: chronic low-level exposure to cadmium damages kidneys, lead impairs neurological development, and chromium in its hexavalent form is carcinogenic.

The broader significance of the study lies in what it reveals about disasters as environmental events, not just structural ones. Earthquakes are typically assessed in terms of casualties, building damage, and economic loss. But the physical perturbation of a landscape, the fracturing of soil horizons, the pulverization of contaminated building stock, the dust plumes that blanket agricultural land, constitutes a form of geochemical disturbance that science is only beginning to quantify. Comparable concerns have been raised after other major earthquakes, including observations of liquefaction and subsidence during the 2008 Wenchuan earthquake in China, which reshaped soils across vast areas. The Turkish study adds plant uptake to that picture, connecting the geology of a seismic event to the biology of the food chain.

For the affected communities, the practical implications are still taking shape. Much of the agriculture in Hatay, Kahramanmaraş, and the surrounding provinces continues on land that experienced intense shaking and months of demolition activity. Farmers, herbal collectors, and food processors in the region now have an evidence base suggesting that their soils and crops may carry an elevated metal burden, and that this burden reflects a combination of seismic mobilization, dust fallout, and pre-existing industrial contamination. The researchers call for continued monitoring and further investigation into food safety, a recommendation that aligns with a growing recognition among environmental scientists that disaster recovery must include environmental chemistry alongside engineering and reconstruction. The ground beneath southern Turkey was shaken once in a matter of minutes; the chemical consequences, this study suggests, may unfold over years, quietly moving through roots and leaves into the region’s food and medicine.

Subject of Research: Heavy metal mobilization and plant uptake in soils of earthquake-affected regions of Turkey

Article Title: Heavy metal distribution in soils and plants collected from earthquake-affected regions of Turkey: a comparative assessment of Hypericum perforatum L. and Capsicum annuum L.

Article References: Sürmelihindi, B., Gökpinar, B., Morcali, M. H., Yilmaz, Y., Aksan, M. E., Koçer, F., Karakoç, S. B., & Şekeroğlu, N. (2026). Heavy metal distribution in soils and plants collected from earthquake-affected regions of Turkey: a comparative assessment of Hypericum perforatum L. and Capsicum annuum L.. Environmental Monitoring and Assessment, 198(10), Article 1108. https://doi.org/10.1007/s10661-026-15955-1

Image Credits: AI Generated

DOI: 10.1007/s10661-026-15955-1

Keywords: heavy metals, earthquake, Turkey, soil contamination, Hypericum perforatum, Capsicum annuum, ICP-MS, nickel, food safety, plant uptake, dust deposition, environmental monitoring

The research, conducted by Ayşenur Gündüz of Erciyes University, Dicle Gözüm of the Turkish Ministry of National Education, and Sümeyye Öcal of Kütahya Dumlupınar University, focused on the experiences of the people who actually ran these spaces: volunteer play facilitators. Children affected by large-scale disasters face elevated risks of psychosocial distress and developmental disruption, and child-friendly spaces have become a standard component of humanitarian response worldwide. Yet, as the authors note, rigorous qualitative evidence about how such interventions are implemented in practice, and how they are perceived by those delivering them, has remained strikingly limited. Their study set out to fill that gap by listening closely to the facilitators themselves.

The methodological design was deliberately grounded and practical. Using a qualitative descriptive approach, the researchers selected ten voluntary play facilitators through purposive sampling from a larger pool of sixty-five facilitators who worked in seventeen child-friendly playrooms set up in temporary accommodation centers in Kayseri province. Data were collected through semi-structured online interviews, allowing participants to describe their experiences in their own words, and the resulting material was analyzed using content analysis, a technique that systematically codes textual data to identify recurring themes and patterns. Ethical approval was obtained from the Erciyes University Social and Human Sciences Ethics Committee, and all participants were adults who provided written informed consent before taking part, in line with the Declaration of Helsinki.

The findings paint a vivid picture of what these playrooms actually did for the children who used them. Facilitators consistently perceived the playrooms as safe environments that supported children’s wellbeing, development, peer interaction, and—perhaps most importantly—their return to daily routines. In disaster psychology, the restoration of routine is considered a cornerstone of recovery: predictable structure helps children regain a sense of control and normalcy after the chaos of a catastrophic event. The playrooms provided exactly that, offering scheduled, familiar activities in a protected setting where children could simply be children again, rather than displaced survivors of a disaster.

Equally striking was the level of engagement the spaces generated. Participants highlighted the high degree of involvement not only from children but also from their parents, suggesting that the playrooms functioned as more than childcare. By giving children a structured, supportive environment, the spaces indirectly relieved pressure on caregivers who were themselves coping with loss, displacement, and the logistical burdens of life in temporary accommodation. The authors conclude that volunteer play facilitators perceived the playrooms as valuable settings for supporting children directly and families indirectly—a dual benefit that multiplies the impact of a relatively low-cost intervention.

The study also scrutinized the preparation of the volunteers themselves, and here the picture was more nuanced. Facilitators judged their training to become play facilitators as sufficient in general terms, but they advised that future preparation should go deeper in three specific areas: child mental health, psychological first aid, and play interventions. This recommendation carries real technical weight. Psychological first aid is an internationally recognized early intervention approach designed to reduce initial distress and foster adaptive coping, while targeted play interventions can help children process traumatic experiences nonverbally. Volunteers without formal grounding in these areas may struggle to recognize signs of post-traumatic stress or to respond appropriately when a child’s play reveals deep distress, making training a critical quality-control point for any future deployment.

Implementation, the facilitators reported, was far from frictionless. The study documented several practical difficulties clustered around four domains: the physical setting, materials, administration, and the voluntary delivery of services. Makeshift spaces in temporary accommodation centers inevitably pose challenges—heating, lighting, noise, safety, and privacy are hard to guarantee in emergency structures. Supplies of age-appropriate play materials could be inconsistent, and coordination among the various institutions involved added administrative complexity. The reliance on volunteers, while essential to scaling the response, also raised questions about continuity, burnout, and the sustainability of a service delivered by people without professional status or long-term commitments.

From these experiences, the participants constructed a clear vision of the ideal playroom: a space that is safe, accessible, aesthetically conducive, and developmentally appropriate, and that is equipped with suitable play materials. Each element of that definition maps onto established principles of child-centered design in early childhood education. Safety and accessibility address physical protection and inclusion; aesthetic quality signals care and normalcy to children in destabilized circumstances; developmental appropriateness ensures that activities match children’s cognitive, social, and emotional stages rather than merely keeping them occupied. The finding underscores that in disaster settings, the details of environment design are not cosmetic—they are therapeutic.

The Kayseri case also illuminates the institutional architecture behind the response. The playrooms operated within a network that included the Turkish Ministry of Youth and Sports, the Ministry of National Education, Guidance and Research Centers, and structures aligned with the international Child Protection Working Group, the coordinating body for child protection in humanitarian emergencies. The authors emphasize that inter-institutional collaboration, alongside appropriate physical environments and trained facilitators, is essential for the successful implementation of child-friendly playrooms. In other words, a playroom is not just a room with toys; it is the visible endpoint of a supply chain, a training pipeline, and a coordination framework that must all function together under emergency conditions.

The broader significance of the study lies in its contribution to a thin evidence base. Post-disaster psychosocial interventions for children are widely deployed, but implementation research—especially qualitative work capturing the perspectives of frontline deliverers—remains scarce. By documenting what facilitators experienced in Kayseri, the researchers have produced findings that can inform future disaster preparedness and child protection practices, both in Türkiye, which sits in one of the world’s most seismically active regions, and internationally. The lessons are deceptively simple: invest in volunteer training that includes child mental health and psychological first aid; plan physical spaces with children’s developmental needs in mind; secure materials and administration before the next crisis rather than during it; and treat play not as a diversion but as a legitimate, evidence-informed component of disaster response. For the children of the Kahramanmaraş earthquakes, a room with blocks and a trusted adult may have been one of the most effective therapies available—and for the next disaster, the study offers a blueprint for making sure that therapy is delivered well.

Subject of Research: Child-friendly playrooms as post-earthquake psychosocial support for children following the 2023 Kahramanmaraş earthquakes in Türkiye

Article Title: Playrooms as a post-earthquake psychosocial support service: case of Kayseri province

Article References: Gündüz, A., Gözüm, D., & Öcal, S. (2026). Playrooms as a post-earthquake psychosocial support service: case of Kayseri province. BMC Psychology. https://doi.org/10.1186/s40359-026-05719-4

Image Credits: AI Generated

DOI: 10.1186/s40359-026-05719-4

Keywords: child-friendly spaces, playrooms, psychosocial support, disaster response, earthquake, Kahramanmaraş, Kayseri, children's mental health, psychological first aid, play facilitators, qualitative research, Türkiye

The research team sampled thirty-three distinct wells across six districts of Hatay Province in June 2024, more than a year after the earthquakes. Each sample was analyzed for fourteen elements using inductively coupled plasma mass spectrometry, an ultra-sensitive technique capable of detecting metals at concentrations down to parts per trillion, at the university’s Central Laboratory. The fourteen-element panel included the metals most commonly associated with construction debris, such as iron, lead, chromium, and nickel, alongside naturally occurring elements like lithium and calcium that serve as geochemical fingerprints of the underlying bedrock.

On the surface, the results looked reassuring. Most of the fourteen elements met Turkish and international drinking-water limits in the majority of wells. But two metals stood out. Iron exceeded the Turkish TS 266 national guideline in fourteen of the thirty-three wells, and chromium, a metal with well-documented carcinogenic potential in its hexavalent form, exceeded the guideline in nine wells. For a province still rebuilding from one of the deadliest earthquake sequences in modern history, the finding that nearly a third of tested wells carried guideline-exceeding chromium was a warning that could not be ignored.

To determine where those metals were coming from, the researchers turned to multivariate statistics, combining principal component analysis with hierarchical clustering. These techniques group elements that behave similarly in the water, which usually means they share a source. The analysis cleanly separated two distinct chemical signatures. One cluster paired chromium with lithium, calcium, and nickel, and it appeared strongest in the Iskenderun and Arsuz districts, an area underlain by ophiolitic bedrock, the fragment of ancient oceanic crust that geologists know naturally weathers to release chromium and nickel. That signature, in other words, was geogenic, written into the rocks long before any earthquake.

The second cluster told a very different story. Iron, manganese, and lead traveled together, and their signature was concentrated in the Hassa and Kırıkhan districts, precisely where debris dumps sit closest to settlements and farmland. Lead and manganese are classic tracers of anthropogenic contamination, and their association with iron in wells near demolition waste is consistent with rainwater percolating through rubble piles, dissolving metals from rebar, paint, alloys, and treated wood, and carrying them downward into shallow aquifers. The researchers formalized this pathway in a conceptual framework they call Debris-to-Groundwater Metal Transfer, or DGMT, which links debris composition, dumping location, and hydrogeology to predict which wells face the greatest exposure.

Having traced the sources, the team then quantified what the contamination might mean for human health, using a United States Environmental Protection Agency assessment that accounts for both ingestion of the water and dermal absorption during bathing and washing. Because individual exposure varies widely from person to person, they wrapped the calculation in a one-dimensional Monte Carlo simulation, running the risk model thousands of times with randomized input values to generate a probability distribution of outcomes rather than a single misleading number.

The aggregate picture was mixed. The heavy metal pollution index, a composite score that weighs each metal against its guideline value, remained below 100 in all wells, the threshold generally indicating acceptable overall water quality. Yet the more granular risk calculations told a different story. The total hazard index, which sums the non-cancer risks of all fourteen elements, exceeded unity, the level of potential concern, for children in eighteen of the samples. More striking still, the carcinogenic risk exceeded the 1 × 10⁻⁴ benchmark, above which intervention is typically considered, in most samples, and chromium was the dominant driver of that risk.

Perhaps the most counterintuitive finding was geographic. The highest hazard index did not appear in the wells closest to the debris dumps in the anthropogenic zone. Instead, it surfaced in the geogenic region, where chromium-rich ophiolitic bedrock naturally loads the groundwater. This inversion carries a critical lesson for disaster response and environmental monitoring alike: a well can pass every guideline check for most metals and still deliver a pathway-specific, chromium-dominated cancer risk that only a probabilistic, element-by-element assessment will catch. Guideline compliance, the authors conclude, does not imply the absence of risk.

The study’s authors are careful to frame their results as conservative screening estimates. The EPA model relies on default exposure assumptions, and total chromium measurements do not distinguish between trivalent chromium, which is an essential nutrient, and hexavalent chromium, which is the carcinogenic form of greatest concern. That distinction matters enormously for interpreting the health findings, and the researchers explicitly call for chromium speciation studies and continuous monitoring of the affected wells as the necessary next steps. Until those speciation data exist, the true magnitude of the chromium risk in Hatay’s groundwater remains an open question.

What the study does establish is a template for the aftermath of every future major earthquake. Collapsed cities generate staggering volumes of debris, and where that debris is dumped determines whether its metal cargo stays locked in rubble or migrates into the aquifers people drink from. By pairing high-resolution ICP-MS chemistry with statistical source apportionment and Monte Carlo risk simulation, and by packaging the logic in the transferable DGMT framework, Taner and Özkan have given public health officials in Hatay, and in every disaster zone to come, a way to identify which wells need watching before the first symptoms of contamination appear. For the residents of Hatay still drawing water from shallow wells beside the ruins of 2023, that early warning may prove to be the study’s most valuable product.

Subject of Research: Post-earthquake heavy metal contamination of well water and associated health risks in Hatay Province, Türkiye

Article Title: Post-earthquake heavy metal contamination of well waters in Hatay Province, Türkiye: source apportionment, human health risk and a debris-to-groundwater metal transfer framework

Article References: Taner, E., & Özkan, A. (2026). Post-earthquake heavy metal contamination of well waters in Hatay Province, Türkiye: source apportionment, human health risk and a debris-to-groundwater metal transfer framework. Environmental Geochemistry and Health, 48(15), Article 594. https://doi.org/10.1007/s10653-026-03488-y

Image Credits: AI Generated

DOI: 10.1007/s10653-026-03488-y

Keywords: groundwater, heavy metals, earthquake, Hatay, chromium, drinking water, debris, health risk assessment, Monte Carlo simulation, ICP-MS, Türkiye, water contamination

The earthquake struck within the Kunar-Spin Ghar fault system, a zone of active crustal deformation in the Hindu Kush region where the ongoing convergence between the Indian and Eurasian plates is absorbed through a complex interplay of strike-slip, reverse and transpressional faults. The event caused widespread infrastructure damage, triggered landslides and rock avalanches, and left visible surface deformation across terrain so steep and inaccessible that ground-based investigation was severely limited. For a region with a long and destructive seismic history but sparse instrumental coverage, the quake offered a rare and urgent opportunity to observe how deformation is actually distributed in this part of the collision zone.

Led by Hamedullah Torabi of Kabul Polytechnic University, with colleagues from institutions in Afghanistan, India, South Korea and the United Kingdom, the research team carried out field reconnaissance at accessible sites along the affected valleys. Their observations documented structural damage to buildings, ground cracks, slope failures, rock avalanches and newly emerged springs along the Kunar River valley. These ground effects, recorded in difficult and sometimes dangerous conditions, provided the essential field anchor for interpreting what the satellite data would later reveal. Emergent springs in particular can indicate changes in subsurface permeability caused by shaking and fault movement, offering clues about where the crust was disturbed.

The technological heart of the study lies in Persistent Scatterer Interferometric Synthetic Aperture Radar, or PSInSAR, a technique that tracks millimeter-scale ground movements over time by comparing radar reflections from stable features such as rock outcrops, buildings and boulders. The team analyzed time series of Sentinel-1A radar data acquired by the European Space Agency’s Copernicus mission between April and October 2025, processing both ascending and descending orbital passes. Because each viewing geometry is sensitive to a different combination of horizontal and vertical motion, combining the two allows researchers to decompose the observed radar signal into east-west and vertical components of surface displacement, effectively reconstructing a two-dimensional picture of how the ground moved during the earthquake period.

What emerged from the radar analysis was striking. Both the ascending and descending line-of-sight velocity fields revealed a laterally continuous deformation pattern extending for several tens of kilometres along the strike of the fault system. Decomposition of the signal showed dominant horizontal motion, consistent with the strike-slip and transpressional character of the region, accompanied by broader and spatially variable patterns of uplift and subsidence. In other words, the ground was not simply sliding along one clean break; it was warping, rising and sinking across a wide swath of terrain in a manner that reflects the distributed nature of the forces at work beneath the Hindu Kush.

Swath-profile analysis, which examines how velocities change across cross-sections of the deformed zone, pinpointed the strongest east-west velocity gradients south of the mapped Kunar Fault and within or adjacent to the Spin Ghar mountain-front structural corridor. This detail matters enormously. The most intense deformation did not coincide neatly with the fault trace that appears on existing maps. Instead, it spilled into neighboring structures, indicating that the earthquake-period deformation signal was shared among multiple interacting faults rather than released on a single rupture plane. The pattern is exactly what geologists would expect from distributed transpressional deformation, a regime in which crustal blocks are simultaneously squeezed and sheared, forcing strain to spread across networks of faults rather than concentrate on one master structure.

The concept of transpression, formally described in the structural geology literature in the 1980s, describes deformation that combines pure compression with a component of shear, producing complex fault geometries and strain partitioning. Eastern Afghanistan sits squarely within such a regime. The India-Eurasia collision, which has built the Himalaya and the Tibetan Plateau, transmits enormous compressive stresses deep into the Asian interior, and the Hindu Kush is one of the places where those stresses find release through intracontinental faulting. Previous studies, including GPS-based measurements of plate convergence partitioning in the Pamir-Hindu Kush region and historical catalogs of Afghan earthquakes, have long suggested the region is tectonically active, but the density of observations needed to map how strain is actually distributed has been lacking.

The new results carry a direct and uncomfortable message for seismic hazard assessment. Hazard models typically rely on mapped fault traces to define the locations and widths of potential rupture zones, and building codes and land-use planning follow from those definitions. If deformation in the Kunar-Spin Ghar system is distributed across a corridor tens of kilometres wide rather than focused on individual mapped faults, then hazard assessments based only on those traces may underestimate both the width of the active deformation zone and the spatial extent of ground deformation and secondary hazards such as landslides, rock avalanches and liquefaction. Communities located well away from any mapped fault trace could still sit within the zone of strongest shaking and ground failure in a future event.

The vulnerability of the region amplifies these concerns. Eastern Afghanistan combines steep, landslide-prone topography, dense rural populations living in unreinforced masonry construction, and limited institutional capacity for emergency response, a combination that recent earthquakes in the region have shown to be lethal. The study’s authors, along with earlier researchers who have called for greater earthquake resilience across Central Asia, argue that satellite-based deformation monitoring offers a practical path forward in terrain where traditional field mapping and dense seismic networks are difficult to establish. Because Sentinel-1 radar data are freely available through the Copernicus Open Access Hub, the approach demonstrated here could be extended systematically across Afghanistan and neighboring countries to build a more realistic picture of active deformation corridors.

The 2025 Asadabad-Kunar earthquake lasted only seconds, but its scientific legacy may prove durable. By pairing boots-on-the-ground observation with space-based radar, the research team has shown that the Hindu Kush does not obey the tidy assumption that earthquakes follow the fault lines drawn on maps. The active deformation zone is wider, more interconnected and more structurally complex than previously recognized, and the seismic hazard it poses is correspondingly broader. For the millions of people who live in the shadow of the Spin Ghar mountains, that widened hazard corridor is not an abstract geodynamic detail. It is a warning that the ground beneath their villages can move in places no map currently marks, and that planning for the next earthquake must account for a danger that is distributed, not localized.

Subject of Research: Distributed transpressional deformation and seismic hazard implications of the 2025 Mw 6.0 Asadabad-Kunar earthquake in eastern Afghanistan

Article Title: Evidence for distributed transpressional deformation and seismic hazard implications from the 2025 Mw 6.0 Asadabad- Kunar earthquake, Eastern Afghanistan

Article References: Torabi, H., Kandregula, R. S., Naik, S. P., Shnizai, Z., Ghildiyal, D., Chufal, V. S., & Kim, Y.-S. (2026). Evidence for distributed transpressional deformation and seismic hazard implications from the 2025 Mw 6.0 Asadabad- Kunar earthquake, Eastern Afghanistan. Natural Hazards, 122(18), Article 624. https://doi.org/10.1007/s11069-026-08397-y

Image Credits: AI Generated

DOI: 10.1007/s11069-026-08397-y

Keywords: Afghanistan, Hindu Kush, earthquake, transpressional deformation, PSInSAR, Sentinel-1A, Kunar fault, Spin Ghar, seismic hazard, India-Eurasia collision, strain partitioning, landslides

The study recruited 100 adults aged 65 and older, with observed ages ranging from 65 to 75. Fifty participants came from Hatay, one of the hardest-hit provinces, while fifty came from Ankara, which was not directly exposed to the earthquakes. This cross-sectional and comparative design allowed the researchers to measure three interlocking dimensions of psychological and physical wellbeing: sleep quality, assessed with the well-validated Pittsburgh Sleep Quality Index, or PSQI; anxiety, measured with the Beck Anxiety Inventory; and depressive symptoms, captured by the Beck Depression Inventory. These instruments are among the most widely used tools in sleep and mood research, which makes the results directly comparable with a large international literature.

The headline numbers are striking. Poor sleep quality, defined by the PSQI’s standard cutoff, was found in 64.0 percent of the earthquake-exposed older adults, compared with just 32.0 percent of the non-exposed group, a difference the authors report as statistically significant with a p-value of 0.001. In other words, older survivors in Hatay were twice as likely to be sleeping badly as their peers in the capital. The total PSQI scores, which aggregate seven components including subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction, were also significantly higher in the exposed group, with p equal to 0.014.

The mood findings were even more pronounced. Earthquake-exposed older adults scored significantly higher on both the Beck Anxiety Inventory and the Beck Depression Inventory, with p-values below 0.001 for both comparisons. For a population already at elevated risk of late-life depression and anxiety, this doubling down of psychological burden matters enormously. Older adults who experience disasters face a well-documented vulnerability: they may lose familiar environments, social networks, and routines that anchor their mental health, and their capacity to recover physically and psychologically can be reduced compared with younger survivors. The Turkish study provides quantitative confirmation that, months after the disaster, this vulnerability was visible in standardized clinical measurements.

But the study went beyond simple group comparisons. Using hierarchical multiple linear regression, the researchers asked which factors best predicted sleep quality across the whole sample. They entered age, gender, earthquake exposure, anxiety, and depression as candidate predictors and examined which remained associated with PSQI scores in the final model. Two variables emerged as significant: anxiety, with a standardized beta coefficient of 0.293 and a p-value of 0.003, and depression, with a beta of 0.706 and a p-value below 0.001. Notably, earthquake exposure itself did not remain a significant independent predictor in the final model, a result with important implications for how the findings should be interpreted.

That beta of 0.706 for depression is unusually large, and it suggests that depressive symptoms were by far the strongest correlate of poor sleep in this sample. The relationship between sleep and depression is famously bidirectional. Depression disrupts sleep architecture, shortening slow-wave sleep and fragmenting sleep continuity, while chronic insomnia is one of the strongest known risk factors for developing depression. In older adults, this feedback loop can be particularly damaging, because sleep loss also worsens cognitive function, physical health, and medication tolerance. The Turkish findings are consistent with a large body of literature showing that where depression goes, disturbed sleep tends to follow, and vice versa.

The authors are refreshingly candid about the limits of their design, and readers should take those limits seriously. Because the study is cross-sectional, it captures a single moment in time and cannot establish causation: we cannot tell from these data whether poor sleep preceded and contributed to anxiety and depression, whether psychological distress disrupted sleep, or whether both arose from a shared cause. More importantly, the comparison groups came from two geographically distinct cities. Hatay and Ankara differ not only in earthquake exposure but in countless other ways, including the scale of physical destruction, displacement, economic disruption, and access to health services after February 2023. As the authors themselves note, the specific contribution of earthquake exposure cannot be cleanly distinguished from these geographic and contextual differences. The absence of earthquake exposure as an independent predictor in the regression model reinforces this caution: the psychological distress that accompanies disaster, rather than the disaster label itself, appears to travel with the sleep problems.

Why should the general public care about sleep quality in older disaster survivors? The answer lies in what sleep does. Sleep is when the brain consolidates memories, clears metabolic waste, and recalibrates the emotional circuits of the amygdala and prefrontal cortex. Chronic poor sleep in later life is associated with impaired immune function, elevated cardiovascular risk, worsening diabetes control, and accelerated cognitive decline. For older adults already navigating chronic disease and social isolation, disaster-induced insomnia is not a trivial inconvenience; it is a medical risk factor that can compound every other vulnerability. The fact that nearly two-thirds of exposed older adults in this study slept poorly suggests a substantial hidden burden of post-disaster morbidity, one that may persist long after rubble has been cleared and headlines have moved on.

The study also carries practical implications for disaster response. If anxiety and depression are the variables most tightly linked to sleep quality, then mental health support after disasters is not a luxury reserved for those with overt psychiatric illness; it is a core component of protecting physical health in aging populations. Screening older survivors for sleep disturbance could serve as a low-cost sentinel indicator, flagging individuals who may also be struggling with depression or anxiety and who would benefit from psychological intervention. Conversely, treating post-disaster insomnia with evidence-based approaches, such as cognitive behavioral therapy for insomnia, might interrupt the spiral linking sleep loss to mood deterioration. The Turkish researchers, supported by the Scientific and Technological Research Council of Türkiye under its university students research projects program, worked with the Turkish Retirees Association to reach their participants, a reminder that community organizations are often the most effective conduits for research and support among older people.

The 2023 earthquakes were among the deadliest disasters in modern Turkish history, and the psychological aftershocks will reverberate for years. This study, published open access in BMC Psychology with ethical approval from Lokman Hekim University and conducted under the Declaration of Helsinki, offers a measured but urgent data point: older adults in the disaster zone were sleeping worse, worrying more, and feeling darker than their peers elsewhere in the country. The authors rightly resist overclaiming causation, and their honesty strengthens rather than weakens the message. Whether the driver is the earthquake itself, the devastation that followed, or the grinding displacement and uncertainty of its aftermath, the mental health and sleep of older survivors deserve sustained clinical attention. As climate change, urbanization, and seismic risk continue to put aging populations in harm’s way around the world, studies like this one remind us that the true cost of a disaster is measured not only in buildings destroyed but in nights of sleep lost, and that restoring those nights may be one of the most powerful interventions we can offer.

Subject of Research: Sleep quality, anxiety, and depression in older adults exposed to the 2023 Türkiye earthquakes

Article Title: Sleep and psychological health in older adults after the 2023 Türkiye earthquakes: a comparative study

Article References: Cemali, M., Yılmaz, İ., Kanlıca, A., Yılmaz, S., Elmas, Ö., & Karaduman, A. A. (2026). Sleep and psychological health in older adults after the 2023 Türkiye earthquakes: a comparative study. BMC Psychology. https://doi.org/10.1186/s40359-026-05711-y

Image Credits: AI Generated

DOI: 10.1186/s40359-026-05711-y

Keywords: earthquake, older adults, sleep quality, anxiety, depression, Pittsburgh Sleep Quality Index, Türkiye, disaster mental health, insomnia, cross-sectional study, aging population, BMC Psychology

The research team, led by investigators at Gaziantep University with collaborators in the United States, recruited Turkish and Syrian refugee mothers of young children through community health centers, refugee support organizations, and municipal contacts in earthquake-affected neighborhoods. Each mother completed a sociodemographic form covering housing damage, displacement, bereavement, children’s sleep and nutrition before and after the disaster, and access to healthcare. Parenting stress was measured with the Turkish adaptation of the Parental Stress Scale (PSS), while the parent–child relationship was assessed using the Child–Parent Relationship Scale (CPRS). Internal consistency was strong across the key subscales, with Cronbach’s alpha values of 0.80 for the PSS Stressor subscale, 0.73 for the CPRS Conflict subscale, and 0.75 for the CPRS Positive Relationship subscale.

From these instruments, the team constructed a composite vulnerability index. The psychosocial component standardized and averaged the PSS Stressor and CPRS Conflict scores, while the disaster-exposure component summed three binary indicators: housing damage, displacement, and loss of a loved one. The final continuous index combined the standardized psychosocial and exposure scores, and for visualization purposes the index was linearly rescaled to a 0-to-20 range while preserving its rank order. Convergent validity was confirmed through correlations with the anchor psychosocial measures, and known-groups validity was demonstrated by significantly different scores across housing damage, displacement, and bereavement categories.

The spatial analysis formed the study’s distinctive technical contribution. Working in ArcGIS Pro 3.6, the researchers created neighborhood boundary polygons and linked them to neighborhood-level summary statistics derived from the participant data. Earthquake intensity was represented by a polygon-based Mercalli intensity layer; neighborhood polygons were intersected with these intensity polygons, overlap areas were calculated, and an area-weighted mean Mercalli intensity value was assigned to each neighborhood. Because only five neighborhoods were available, the geospatial results were interpreted descriptively and exploratively rather than as formal spatial clustering or hotspot analysis. Even so, the mapped outputs revealed visible geographic variation, with certain neighborhoods showing notable outliers of elevated vulnerability against a broadly homogeneous distribution.

The statistical results were striking. In multiple linear regression, higher parental stress on the PSS Stressor subscale (β = +0.208, p = 0.009) and greater parent–child relational conflict on the CPRS Conflict subscale (β = +0.107, p = 0.048) were each significantly associated with higher vulnerability scores. Environmental and social adversities also mattered: housing damage (β = +0.086, p = 0.024), displacement (β = +0.114, p = 0.015), and loss of a loved one (β = +0.092, p = 0.033) all independently predicted greater vulnerability. Yet Syrian refugee status itself was not an independent predictor (β = +0.059, p = 0.352), and logistic regression models confirmed that refugee status did not increase the odds of belonging to the high-risk vulnerability group, defined by the upper quartile of the index distribution.

Mediation and moderation analyses added further precision. The researchers tested whether children’s sleep disturbances and nutrition problems transmitted the effect of parental stress onto vulnerability, but neither pathway reached statistical significance (ACME = −0.064, p = 0.884 for sleep; ACME = −0.070, p = 0.768 for nutrition). Similarly, bereavement did not moderate the relationship between parental stress and vulnerability (interaction β = −0.050, p = 0.151), although bereavement exerted a powerful direct effect on vulnerability (β = +1.24, p < 0.001). In other words, losing a loved one dramatically raises a family’s vulnerability, but it does so without altering how parental stress operates within the household.

The study also documented profound disruption of children’s daily lives in both groups. Regular mealtimes collapsed from 84 percent to 28 percent among refugee families and from 92 percent to 46 percent among Turkish families. The proportion of children described as having very good nutrition fell from 56 to 20 percent in the refugee group and from 49 to 28 percent in the Turkish group, with refugee children showing more selective eating and repetitive food choices. Sleep patterns deteriorated in both communities after the disaster, with refugee mothers reporting ‘inability to sleep’ in 12.2 percent of cases compared with just 2.2 percent among Turkish families. Healthcare access diverged even more sharply: only 14.3 percent of refugee families reported no change in child health monitoring after the earthquake, compared with 59.2 percent of Turkish families, while logistical problems and shortages of doctors were reported far more frequently by refugee households—evidence of systemic barriers that persisted even as the immediate emergency receded.

Interestingly, total parental stress was higher in the Turkish group, driven by the Parental Stressors and Lack of Control subscales, while positive emotional components such as parental reward and satisfaction did not differ between groups. The refugee group scored higher on the total CPRS, reflecting small but similarly directed increases in both conflict and positive-relationship dimensions—a pattern the authors interpret cautiously, suggesting it may indicate intensified family bonds during crisis, in which closeness and conflict rise together, or differing reporting tendencies rather than genuinely lower burden. The theoretical scaffolding of the study drew on the Eco-Biological Developmental model, Bronfenbrenner’s ecological systems framework, and Tronick’s stress-buffer transduction model, which together explain how caregiver stress can propagate behavioral and physiological changes to infants, making the mother–child dyad the critical unit of post-disaster resilience.

The authors are careful to frame the work’s limitations. The modest sample drawn from only five neighborhoods constrains generalizability and the strength of spatial inference, and convenience-based recruitment through health and community channels may introduce selection bias. The cross-sectional design precludes causal interpretation, and several earthquake-related variables rested on caregiver recall. Even so, the methodological message is clear: vulnerability after catastrophe is a spatially patterned, family-centered phenomenon, and effective recovery requires geographically informed, family-oriented interventions. Protecting routines—meals, sleep, healthcare follow-up—alongside psychosocial support and stress management may do more to reduce long-term harm than blanket aid distributed without regard to where and how need is concentrated. As climate pressures and seismic risk keep disasters on the global agenda, this neighborhood-level mapping approach offers a replicable template for directing scarce resources to the families who need them most.

Subject of Research: Neighborhood-level spatial distribution of post-earthquake psychosocial vulnerability among Turkish and Syrian refugee mothers

Article Title: Spatial distribution of post-earthquake vulnerability among Turkish and Syrian refugee mothers: a neighborhood-level study

Article References: Karadağ, M., Çalıkoğlu, E. O., Bulucu, B. B., Ruhm, F., Çalışgan, B., Coban, G. B., Erk, I., Otucu, E., Kurt, U. B., Chaban, Z., & Koga, P. M. (2026). Spatial distribution of post-earthquake vulnerability among Turkish and Syrian refugee mothers: a neighborhood-level study. Journal of Emergency and Disaster Medicine, 2(1), Article 9. https://doi.org/10.1007/s44467-026-00013-0

Image Credits: AI Generated

DOI: 10.1007/s44467-026-00013-0

Keywords: earthquake, Turkiye, Syrian refugees, maternal mental health, parental stress, GIS, vulnerability index, child sleep, nutrition disruption, healthcare access, disaster recovery, Gaziantep