Research in the Alaskan-Aleutian subduction zone found evidence of splay fault uplift generating additional tsunami activity in half of last eight earthquakes. Splay faults can create local tsunamis reaching shores in under 30 minutes, exacerbating coastal destruction.
Researchers image radioactive cesium atoms in pollucite inclusions within Cs-rich microparticles, shedding light on the lingering challenges of radioactive waste management. The breakthrough analysis provides crucial information on the chemical form of cesium in particles and fuel debris.
The Kidney-CHAMP study found that the intervention helped primary care physicians identify and triage patients with kidney disease, improving patient access to specialists and educational materials. Despite a null result, the study's findings suggest that the framework is scalable and provides equitable access to healthcare.
Researchers at University of Alaska Fairbanks have developed a new detection method that can identify landslides within minutes and determine if they pose a tsunami hazard. The method uses seismic data to estimate a landslide's location, volume, and potential impact, with the goal of issuing warnings in under 5 minutes.
A self-powered movable seawall system harnesses microtidal energy to generate electricity, protecting ports against tsunamis and providing emergency power. The system is feasible in 20 Japanese ports along the western coast, facing the Nankai Trough, which is prone to megathrust earthquakes and tsunamis.
Cesium removal from radioactive wastewater is a challenging task due to the complex chemical nature of cesium and sheer volume of contaminated water. Recent studies have explored various methods, including adsorption and membrane separation, which show promise for effective treatment with low environmental impact.
A manned submersible has found a 26m-high fault scarp of the 2011 Tohoku-oki megaquake in the Japan Trench, revealing a coseismic movement of the fault. The study suggests a 80–120m slip of the fault, contributing to our understanding of tsunami genesis and hazards.
Researchers found that mixed tree species in coastal forests can withstand tsunami impacts with less damage than monoculture forests made of black pine. The study analyzed satellite images and aerial photographs before and after the Great East Japan Earthquake tsunami on 11 March 2011.
A novel prescription wristwatch uses photoplethysmography to detect atrial fibrillation with high accuracy, even in participants with darker skin tones. The Verily Study Watch bridges the gap between long-term monitoring and consumer devices, enabling clinicians to effectively use wearable data for Afib management.
Researchers from Ohio State University studied a past underwater landslide and developed a novel approach to analyze the risk of deadly tsunamis. They found that slide velocity may help determine the threat of dangerous waves, and their findings could improve our understanding of submarine landslides and tsunamigenic events.
The American Heart Association statement proposes next-generation biomarkers for earlier detection of cardiometabolic risk factors in children, which can be influenced by heart-healthy nutrition and lifestyle factors. This could lead to better prevention and intervention strategies for obesity, diabetes, and heart disease.
GEOMAR researchers used 3D seismics to recreate the 1650 Kolumbo volcano eruption, finding that a landslide followed by an explosion created the devastating tsunami. The study provides valuable insights for monitoring submarine volcanic activity and potentially developing early warning systems.
A study by researchers in the US and Indonesia found that women exposed to the 2004 tsunami had lower cortisol levels 14 years later, linked to stress and 'burnout' of the HPA-axis. The research provides insights into the long-term impacts of climate change on populations worldwide.
The planned releases of radioactive wastewater from Fukushima Daiichi will have negligible effects on the environment, according to a study published in Science. The predicted radiation doses from the discharges are smaller than exposure to natural radiation or medical x-rays, posing no real threat to local seafood consumers.
A 10-year study found that even low doses of radiation may contribute to an increased risk of diabetes among emergency workers at the Fukushima nuclear power plant. Researchers analyzed data from over 6,000 workers and found a significant association between low-dose radiation exposure and a higher risk of developing diabetes.
A recent journal article by University of Miami researchers outlines ways to achieve greater equity in ocean governance and science in the global tropics. The authors emphasize the need to give a voice to the 'tropical majority' and incorporate indigenous knowledge into ocean management.
Researchers reconstructed the seafloor morphology around Santorini to better understand volcanic tsunamis. The study revealed undulating bedforms formed by pyroclastic flows and instabilities of the volcanic flanks, indicating that slope instabilities can contribute to tsunami generation.
Scientists have discovered weak, fossilised sediments beneath the seafloor of Antarctica's eastern Ross Sea, which led to massive underwater landslides. These layers made the area susceptible to failure due to past climate change.
Researchers found that infrasound sensors can improve magnitude determinations, providing complete data about strong earthquakes. The low-cost sensors, which detect air pressure changes caused by ground movement, can also enhance tsunami warnings and emergency responses.
A team at Cardiff University developed an AI-powered tsunami early warning system that uses real-time classification of underwater earthquakes to detect tsunamis more reliably and earlier. The system enables faster evacuation by identifying the size and scale of tsunamis through acoustic-gravity waves, reducing false alarms.
Researchers developed an AI-based early warning system that combines acoustic technology with artificial intelligence to classify earthquakes and determine potential tsunami risk. The system uses underwater microphones to measure acoustic radiation, which travels faster than tsunami waves and carries information about the tectonic event.
Researchers found tsunami deposits in a coastal mangrove pond that suggest a massive magnitude 8.7 or larger earthquake triggered the tsunami, potentially impacting both Caribbean and Atlantic coasts of Puerto Rico. The discovery provides valuable insights into seismic risk in the region.
Residents in affected communities emphasized the need for more tailored information, including aftershock forecasts and tsunami risk maps. The study highlights the importance of effective risk communication and community engagement to promote preparedness and safety.
A new study analyzed the 2022 Tongan volcanic eruption, finding it triggered a mega-tsunami with waves up to 45 meters high, which claimed few lives due to the location and COVID-19 pandemic efforts
Researchers have developed a way to quickly detect and assess glacial valley landslides in coastal Alaska, which can trigger dangerous local tsunamis. They use seismic data to pinpoint landslide events and estimate their volume, aiming to develop an operational detection tool for tsunami centers.
Researchers detected significant thermospheric fluctuations with multiple wave modes after the Tonga eruption, affecting global neutral density up to 500 km altitude. The study suggests that gravitational waves, Lamb waves, and tsunami waves may transmit energy upward, influencing thermospheric density.
Researchers from GEOMAR discover a second major landslide on the Norwegian shelf, 12,000 years earlier than previously thought. The Nyegga landslide, named after its discovery site, has been found to be responsible for about one-third of the material displaced during the Storegga event.
Hydrated electrons play a significant role in various processes, and researchers have observed their effect on the water solution. The study reveals that the electron causes a 'water quake' or 'tsunami,' which is caused by sudden charge separation during its formation.
The EnzymeML format provides a standardized way to record enzymatic experiment results, including conditions, data, kinetic models, and parameters. This enables seamless communication between experimental platforms and promotes reproducibility and trust in scientific results.
Researchers at Oregon State University found a relationship between surface gravity waves and infragravity waves that fuel sneaker waves. Longer waves with more energy can run further up the beach, but not all long waves turn into sneaker waves.
A new analysis of seismic data recorded after the Tonga eruption has revealed two distinct sequences of events, including quasi-periodic explosions and a massive final event. The study used back-projection techniques to tease out details from teleseismic P waves, shedding light on the volcano's internal dynamics.
Researchers used seafloor video and carbon dating to determine that an underwater landslide scar is too old to be associated with the 1918 earthquake and tsunami. Instead, they propose a rupture of a two-segment fault along the eastern wall of the Mona Rift as the source of the tsunami.
The Celeritas project aims to address the data tsunami from the upgraded LHC, enabling faster particle collisions and more accurate simulations. With graphics processing units and exascale computing, Celeritas will increase data throughput and validate theories of particle physics.
Researchers from the University of Washington analyzed the Hunga Tonga-Hunga Ha'apai eruption in the South Pacific, discovering that ionosphere signals can help explain why tsunami waves grew larger and traveled faster than predicted. The study validated the use of GPS signals traveling through the atmosphere to track events on the gro...
Researchers at Kyoto University have found that the Tohoku earthquake may have occurred upon a complete stress release, with data suggesting normal faults in both sedimentary formations above and below the plate boundary fault. This discovery provides insights into how fault slipping contributed to the devastating tsunami.
A Martian megatsunami was likely triggered by an asteroid collision similar to the Chicxulub impact that led to mass extinctions on Earth. The crater formed as a result of this impact may have caused a tsunami that reached over 1,500 kilometres from the center, measuring up to 250 meters tall on land.
A new study suggests that the Chicxulub asteroid impact triggered a massive tsunami that scoured the ocean floor thousands of miles away from the impact site. The tsunami was estimated to be up to 30,000 times larger than the 2004 Indian Ocean earthquake tsunami.
A new study found that edge waves and the short continental shelf contributed to the prolonged duration of the tsunami. The researchers used strong motion, GNSS, satellite, and tide gauge data to model the earthquake and learn more about the tsunami's behavior in Acapulco Bay.
A new study led by ICM-CSIC has revealed the complex geometry of the Alboran Sea faults system, which has been absorbing most of the deformation from plate collision. The research demonstrates that this region is one of the most important fault systems in the western Mediterranean and has a significant tsunami risk.
Scientists have found that the tectonic stress in Japan's Nankai subduction zone is less than expected, contradicting predictions of a major buildup of pent-up energy. The research suggests that the fault may not be as unstable as thought, but still requires further investigation and long-term monitoring.
Researchers found the Tonga tsunami reached 90 meters in height, outperforming previous tsunamis like 2011 Japan tsunami. The event emphasized the need for improved detection systems, as volcano-based tsunamis are currently 30 years behind earthquake-based event monitoring tools.
Researchers at Nagoya University used satellite data to track ionospheric disturbances after the 2022 Tonga underwater eruption, detecting earlier signs of tsunami waves. The team found that electromagnetic waves traveled 1000 km/s, much faster than air pressure waves, allowing for potentially quicker tsunami warnings.
Researchers at the University of Miami discovered rare deep-sea brine pools in the Gulf of Aqaba, providing insights into ocean formation on Earth and the search for life elsewhere. The unique environments hold secrets about the limits of life and potential anticancer properties.
Seismologists analyzed historical accounts of the 1860 Jour de Pâques earthquake sequence, which may have released strain in a key fault zone. The analysis suggests that two large events occurred in 1860, one magnitude 6.0-6.4 and another 6.6-6.9, releasing built-up stress before recent earthquakes.
A new study in Nature explains the mechanism behind the exceptional tsunami that occurred after the Hunga Tonga-Hunga Ha'apai volcano explosion in 2022. The research team analyzed satellite and sea-level data worldwide, demonstrating that the tsunami was driven by an acoustic-gravity wave caused by the volcano eruption.
A new approach based on deep learning AI detects weak gravitational signals, or PEGS, generated by large-mass motion in megaquakes. This allows for real-time tracking of earthquake growth after a magnitude 8 event.
Researchers identified a mechanism responsible for the exceptional tsunami's rapid spread across the globe. The tsunami was driven by acoustic-gravity waves (AGWs) triggered by the powerful volcanic blast, which interacted with the ocean to amplify the wave.
Current predictive models underestimate tsunami severity by as much as 100%, according to USC researchers who found a correlation between tsunami strength and outer wedge width. The study identifies high-risk subduction zones, including Iran and the Cascadia zone, which could experience massive tsunamis.
A team of scientists from 17 nations studied the Hunga submarine volcano eruption, which created a variety of atmospheric wave types. The research provides insights into the behavior of Lamb waves, which are rare and linked to tsunami and volcanic plume generation.
The January 2022 volcanic eruption of Hunga Tonga-Hunga Ha‘apai was one of the most powerful recorded, generating long-range infrasounds and global tsunamis. An unexpected atmospheric wave contributed to the tsunami 'forerunner,' arriving earlier than expected.
Researchers characterized the Hunga volcano's atmospheric waves, providing exceptional resolution of the evolving wavefield compared to historic events. The data revealed Lamb waves, rare and low-frequency pressure waves associated with large eruptions and nuclear detonations.
A new method of detecting mega earthquakes uses deep-learning models to assess the magnitude of these events, providing an earlier warning for tsunamis. This approach leverages gravity waves generated by large earthquakes, allowing for more accurate estimation and faster response time.
Scientists analyzing NASA's ICON mission data and ESA's Swarm satellites found that the Tonga volcano's eruption triggered hurricane-speed winds and unusual electric currents in the ionosphere. The extreme winds reached speeds of up to 450 mph, affecting the equatorial electrojet and causing a dramatic shift in its direction.
A new method for detecting tsunamis using existing GPS satellites has been developed by an international team of researchers. The system can issue warnings within 15 minutes of an earthquake or tsunami, and can be implemented in countries with a sparse GPS network.
Researchers found a slow, shallow magnitude 8.16 subevent that contributed over 70% to the seismic moment of the 2021 South Sandwich Island earthquake. The event was 'invisible' at first glance and had unusual features, including a massive aftershock area and tsunamis across three oceans.
Sediment cores suggest 15m of megathrust slip occurred offshore during the massive 1700 Cascadia earthquake, leading to 1m+ coastal subsidence. This finding will refine seismologists' understanding of this event and constrain coastline impact predictions.
A new undersea detector has successfully detected a mild tsunami in Tokyo Bay using the power of muons and cosmic rays. This innovative system uses sensitive detectors to measure changes in ocean swells, providing accurate data for early warning systems and potentially revolutionizing tsunami monitoring.
A new study by USC researchers uses focused ultrasound technology to stimulate the retina of blind rats, demonstrating the potential for a non-surgical solution to restore sight. The technology generates sound waves that activate neurons and send signals to the brain, bypassing traditional light-based stimulation.
Geophysicists and computer scientists collaborate to better understand the dynamics of earthquakes and tsunamis. The team has identified three major characteristics that play a significant role in determining an earthquake's potential to stoke a tsunami, including stress along the fault line, rock rigidity, and sediment layer strength.
Scientists detected a seismic signal indicating a massive landslide triggered by the rapid recession of the West Grenville Glacier in British Columbia. The resulting tsunami devastated forest, salmon spawning habitats, and logging camps, killing hundreds of thousands of fish and potentially affecting bears and eagles.