Researchers analyzed historical data to determine the sources of destructive Indonesian earthquakes, finding that intraslab earthquakes were responsible for many damaging quakes. The study suggests that Indonesia's 2010 and 2017 seismic hazard assessments perform well in predicting ground motion in key Javanese cities.
Recent studies highlight the need for updated adaptation plans to address severe weather events, with hard-adaptive measures like seawalls increasing long-term vulnerability. Increasing hazard awareness through education can reduce vulnerability, while effective communication strategies can mitigate flood damages.
Researchers use big data from medical studies and large biobanks to develop models predicting biological age, aging rate, and potential targets for future anti-aging therapies. The approach also led to the identification of wearable-based biomarkers of aging and frailty.
Researchers used big data from human medical studies and physics approaches to develop novel anti-aging therapeutics and biomarkers of aging. The strategy involves analyzing data from large biobanks and applying concepts from complex dynamic systems to predict biological age, aging rate, and potential targets for therapies.
The University of Cincinnati is studying landslides to improve public safety and understanding of these natural disasters. The research aims to add specific details on landslides to Nevada's map of known hazards, including areas prone to wildfires, flash-flood zones, and earthquake fault lines.
Researchers found a deep, rupturing subduction zone earthquake that defies existing models, indicating the need for reevaluation of hazard maps and building codes. The study suggests seawater infiltration may have accelerated cooling in the Cocos plate, making it susceptible to tension earthquakes.
A new multi-national database will help researchers address questions about bipolar disorder throughout the adult lifespan. The database will aggregate data from over 1,000 patients worldwide, enabling scientists to uncover patterns of and predictors for the condition.
Scientists have recorded horizontal and vertical movement of a submerged volcanic flank for the first time using a sound-based underwater geodetic monitoring network. The entire southeastern flank is in motion due to gravity, and a catastrophic collapse could trigger a major tsunami.
A new study developed a novel concept that overcomes the critical heat flux limit, allowing for more efficient cooling in extreme conditions. The researchers discovered that coating hot surfaces with nanoscale bimorphs enhances boiling heat transfer, potentially preventing nuclear power plant accidents.
A study of nearly 60 million tweets during the French 2017 presidential election found that two political communities, Fillon and Le Pen, accounted for 50.75% and 22.21% of fake news respectively, while a small minority were spread by Twitter users outside these communities.
A new study finds that sea-level rise can significantly increase the tsunami hazard, with smaller tsunamis posing greater risks due to increased flooding frequency. The study simulates tsunami inundation maps for Macau and warns of increased dangers from tsunamis in the South China Sea region.
The workshop discussed how AI can help victims of disasters, including using unmanned aerial vehicles to find survivors and robots to communicate with trapped victims. The goal is to leverage AI to better deliver resources and people to those in urgent need.
Researchers at Tohoku University studied the 2011 Tohoku-oki earthquake to understand the causal mechanism. They used seismic tomography and found that both the upper Okhotsk plate and lower Pacific plate contributed to the formation of a hard patch responsible for the earthquake.
A new approach called prehabilitation, combining exercise training, education, and social support, may reduce postoperative complications and hospital length of stay in vulnerable older adults. Two Canadian randomized controlled trials are underway to evaluate the effectiveness of this intervention.
A Monash University study found that older people's reduced immune responses to cancer and vaccines are due to the accumulation of dysfunctional immune cells. The researchers discovered two types of T cells that lose their ability to fight diseases with age, leading to lower success rates for cancer immunotherapy in the elderly.
Researchers have discovered that neurons use the duration of silence between electrical pulses to encode information. This breakthrough, known as Neural Self-Information Theory, suggests that groups of neurons work together to enable real-time thinking and action despite ongoing variability in their responses.
Researchers find that a flat continental shelf off Mexico's coast efficiently traps edge waves, leading to unusually long-lasting tsunami waves. This phenomenon could pose a significant tsunami hazard in other regions with similar shelf shapes, such as the Pacific Northwest and northern Japan.
Seismologists reexamine the risk of megathrust earthquakes in the Caribbean, considering tsunami scenarios for a magnitude 9.0 earthquake and its potential impact on emergency management planning.
Researchers used eyewitness accounts from 2014 and 2016 to reconstruct the 1946 tsunami's heights and distances, challenging previous estimates. The study found tsunami heights over five meters and flooded areas of up to 600 meters inland.
Researchers have uncovered characteristics of magnetic solitons, a type of magnetic wave relevant to developing neuromorphic computing systems. The findings reveal how these components act, which is essential for realizing their potential in brain-inspired computing.
A series of energy price increases across the Middle East and North Africa indicates a shift away from subsidies as a means of legitimacy for autocratic regimes. The reforms aim to streamline patronage structures, allowing regimes to maintain control while reducing their reliance on oil rents.
A global risk index for beach tourism loss due to tsunamis has been developed, revealing that the equivalent of over $250 million USD is lost annually. The top 10 tourism locations with the highest potential tsunami losses include Hawaii, Lima, Peru, and Phuket, Thailand.
Researchers at UMass Amherst and Japanese scientists report developing new techniques for modeling tsunami risk in the Nankai Trough, a region predicted to generate a magnitude 8-9 earthquake within the next few decades. The team's GPS-based methods simulate tsunami inundation and validate previous findings.
Researchers developed a new approach to measure the impact of natural disasters on wildlife populations, finding that frequent intense events exert strong selection pressures on species. The study suggests that the 2011 tsunami had a relatively small impact on organisms living in Japan's intertidal zone, comparable to a Pacific storm.
A team of scientists, led by Penn State's Demian Saffer and Laura Wallace, is installing observatories beneath the sea floor to study slow earthquakes. They aim to uncover links between slow earthquakes, large normal earthquakes, and tsunami generation risk.
A mission is underway to lower sub-seafloor observatories into the Hikurangi subduction zone off New Zealand. This expedition aims to understand why destructive tsunamis occur after shallow earthquakes and underwater landslides, shedding light on New Zealand's largest earthquake and tsunami hazard.
In humans, a massive wave of electrochemical energy release in the brain occurs after oxygen deprivation, known as 'spreading depolarization', which can trigger pathophysiological cascades. Researchers have found that this event is similar to animal studies and that it remains reversible if circulation is restored before nerve cells die.
Researchers from GEOMAR Helmholtz Center for Ocean Research Kiel identified a stratification of the seafloor as responsible for at least one landslide in the region. The discovery was made by combining drilling and seismic data, which revealed a layer of clay overlying ooze composed of fossil planktonic organisms.
Researchers develop risk assessment framework to incorporate three common failure modes into a comprehensive strategy. The analysis finds that any risk assessment must consider all pertinent failure modes of a structure.
Scientists at Cardiff University have developed a new method to calculate tsunami size and destructive force by measuring acoustic gravity waves. The technology uses fast-moving underwater sound waves generated after tsunami trigger events, such as earthquakes, making them an ideal source of information for early warning systems.
The reconstruction of Banda Aceh after the 2004 tsunami has led to socio-economic segregation, with lower-income residents facing increased exposure to coastal hazards. The study found that many tsunami survivors preferred to move inland, but were unable to afford it, leading to a divide between affluent and poorer residents.
Small Ontario municipalities are less prepared to support aging adults due to lack of planning and funding, according to a University of Waterloo report. The report recommends that municipalities adopt age-friendly policies and strategies, as seen in British Columbia, to better support their aging populations.
Researchers from GEOMAR and Universidad de Chile found that the 2016 earthquake released accumulated energy from a previous quake in 1960, with a slip of over 4.5 meters. This study suggests reevaluating seismic cycles for risk assessment and construction recommendations
A study by University of Texas at Austin researchers found that compact sediments along the Cascadia Subduction Zone increase earthquake and tsunami hazards. Compact sediments offshore of Washington and northern Oregon can lead to more stress buildup and longer rupture distances, making them prone to triggering larger tsunamis.
A team of researchers from LMU and TUM used supercomputing resources to simulate a massive earthquake with 1,500km of non-linear fracture mechanics, achieving a 13-fold improvement in time to solution. The simulation helped understand the complex process behind megathrust earthquakes, which can unleash violent tsunamis.
The UK is struggling to find undiagnosed hepatitis C patients due to lack of awareness about deadly virus and new treatment drugs. Experts estimate that at least 100,000 people remain undiagnosed, threatening the country's goal to eliminate the disease by 2030.
A tsunami in Hawaii's Kona Coast provided a rare glimpse into underwater soundscapes without human disruption, revealing that boat traffic and sonar exercises create the loudest disruptions in bays. This study validates concerns about human noise pollution disrupting dolphin sleep patterns.
A 6,000-year-old skull discovered in Papua New Guinea may be the oldest known record of a person killed in a tsunami. The skull was found with geological characteristics matching ancient tsunami activity, suggesting it could belong to the world's earliest known tsunami victim.
A 6,000-year-old human skull discovered in Papua New Guinea has been confirmed as the world's oldest known tsunami victim. The skull was analyzed using scientific techniques to determine its age and environmental context, which revealed a violent tsunami that struck the coast around 6,000 years ago.
A new geological analysis of a 6,000-year-old human skull found in Papua New Guinea suggests that it may be the oldest known victim of a tsunami. The study, published in PLOS ONE, reveals that the person likely died in a catastrophic tsunami around 6,000 years ago.
A new study by GFZ scientists suggests that giant lateral collapses can divert the deep paths of magmas, forming new eruptive centres within collapse embayment. This phenomenon is common in regions like the Canary Islands and Hawaii, with implications for understanding intraplate volcanic ocean islands' long-term evolution.
A new field guide from the Geological Society of America explores the geological history of the Pacific Northwest, focusing on the Seattle area. The guide reveals details about catastrophic flooding, tsunami deposits, and past glaciations that have shaped the region over millions of years.
A review of geological evidence in the Mediterranean Sea suggests that up to 90% of tsunami events may have been misinterpreted as storm activity. The study, published in Science Advances, reevaluates 135 past events and finds that most dates for tsunamis peaked every 1500 years, coinciding with severe storms.
A recent study in the Journal of Applied Volcanology analyzed volcanic fatalities in unprecedented detail, identifying common causes and victims. The research found that nearly half of all fatal incidents occurred within 10 km of volcanoes, with tourists, media, and emergency response personnel being among the most at-risk groups.
A PSU study reveals nearly 300 aquatic species have landed on American shores since the 2011 Japanese tsunami, posing an environmental threat. The research highlights the importance of addressing human activities that contribute to marine pollution and invasive species.
A new study has documented 289 living invertebrate and fish species arriving from Japan on more than 600 pieces of tsunami debris that crossed the Pacific Ocean. The majority of the debris was manmade material contributing to the transoceanic survival and dispersal of coastal species.
A team of UC Santa Barbara geologists used ground-penetrating radar to study the effects of a massive tsunami that hit Northern California 900 years ago. The researchers found that the wave removed three to five times more sand than any historical El Niño storm, with erosion extending up to 360 feet inland.
Biologists detected nearly 300 coastal species crossing the ocean on makeshift rafts after Japan's 2011 tsunami. The species, including mollusks and crustaceans, likely survived due to slower ocean currents and durable debris like plastic.
Scientists discovered that plastic marine debris was transporting non-native species from Japan to North America and Hawaii after the 2011 tsunami. This phenomenon suggests a significant increase in the role of marine debris as a vector for invasive species due to climate change and coastal urbanization.
A comprehensive study of faults in the Olympic Mountains reveals three to five large earthquakes occurred within the last 13,000 years. The two most recent earthquakes are estimated to be magnitude 7 and 6-7 respectively, posing a significant threat to Seattle and other population centers.
Seismic reflection data from the 2011 Tohoku-oki earthquake revealed a frontal prism, reflective zone, and subducted horst-and-graben structures in the Japan Trench. This provides insights into the behavior of large shallow slip zones and potential tsunami earthquakes.
A new study by an international research team has shown that the levels of cesium isotopes, particularly 134Cs and 137Cs, are generally consistent with background levels from aboveground nuclear testing during the 1940s and 50s. The study suggests that the risks to human health from eating contaminated seafood are likely to be negligible.
A new study finds that 40% of economic losses and deaths result from secondary effects rather than shaking. Key findings include the importance of preparing against disasters such as tsunamis, liquefaction, fires, landslides, and flooding.
Researchers have mapped a geologic structure off Alaska's seafloor that suggests high tsunami danger, with similar features found in Japan and potentially elsewhere in the Pacific. The discovery highlights the need for better understanding of subduction zones and their potential hazards.
A study by Hirojuki Hikichi and colleagues found that group relocation increased informal socializing and social participation among older adults. Nearly three years after the disaster, respondents who relocated with their community showed increases in meeting with friends and participating in sports clubs.
An international team has found the world's most pristine record of tsunamis in a sea cave in Indonesia, spanning 5,000 years and revealing highly erratic tsunami recurrence. The discovery provides new insights into seismic activity along the Sunda Megathrust.
Researchers used repair petitions to trace damage from the magnitude 7.3 event in Aguadilla, finding a consistent picture with modern-day data. The study provides detailed 'ground truth' of the 1918 quake's impact, useful for predicting future earthquake damage.
A new study in Geophysical Research Letters finds that a series of unprecedented storms over the Southern Ocean likely caused the most dramatic decline in Antarctic sea ice seen to date. The extreme weather event led to significant losses of sea ice, with researchers suggesting that the storms' impact was exacerbated by climate change.
Researchers studying slow-slip earthquakes on the seafloor off Japan's coast have gained new insights into undersea earthquakes and tsunami creation. About 50% of energy released during these events can be dissipated, potentially reducing tsunami risk.
Researchers found that 50% of energy is released in slow earthquakes, reducing tsunami risk, but the exact mechanism remains unclear. The study used data from instruments placed on the seafloor and in boreholes east of Japan's coast to understand slow-slip earthquakes and their impact on large earthquakes and tsunamis.