A Cornell University professor and his team analyzed the devastation from the 2004 Indian Ocean tsunami, finding that educating residents and tourists about tsunami signs can significantly reduce casualties. The experts also emphasize the importance of protecting sand dunes and coral reefs as natural buffers from the sea.
Researchers found that tsunami waves were more destructive on the west coast of Sri Lanka due to human intervention, such as coral poaching and beach re-landscaping. The study's findings highlight the importance of preserving natural coastal defenses against tsunamis.
Scientists developed a new method to image the earth's rupture during the Dec. 26 Indian Ocean earthquake, providing a fresh perspective on the massive event. The technique uses first-arriving seismic waves to create detailed images in under 30 minutes, which could be used for public-warning and tsunami-alert systems.
Scientists analyzed data from the 2004 Indian Ocean earthquake, revealing a catastrophic event that highlights the need for more extreme worst-case seismic forecasts. The earthquake's impact was exacerbated by its location, which coincided with a popular holiday and high tide, resulting in widespread damage and loss of life.
Scientists led by Professor Jeffrey J. Park have detected the natural tones from seismograms after the Sumatra-Andaman earthquake, providing information on Earth's deep mantle and core. The data supports a model of the earthquake that lasted about 10 minutes, with massive slabs of rock moving over 800 miles.
Researchers estimated that the quake caused a massive 5-20 meter displacement along the 1,300-kilometer fault, leading to significant rearrangement of the Earth's surface. The tremors triggered devastating tsunamis killing over 300,000 people across Southeast Asia.
A recent South Asian disaster underscores the persistent risk of tsunamis, which can cause devastating damage and loss of life. Experts emphasize the need for broad public education about tsunami dangers and prudent safeguards.
A new University of Southern California study finds that a tsunami in the region could cause significant economic losses, with Long Beach suffering an estimated $3.6 billion in damage. The study estimates potential damage ranging from $7 billion to $42 billion, with effects felt across Southern California.
Research shows that contemporary irrigation projects have diverted river basins, introducing excess fresh water that disrupts mangrove tree species composition and ethnobiological relationships. Early detection of such changes is essential for preventing further mangrove degradation and protecting vital ecosystems.
The prevalence of child obesity will continue to rise, affecting ever-younger age groups and minority groups hardest. The long-term consequences of childhood obesity have yet to be seen, with potential devastating effects on public health.
The University of Ulster team found significantly increased levels of stress on two fault zones in Indonesia, including the Sunda trench and Sumatra fault. The analysis suggests a high risk of another earthquake, potentially triggering another tsunami.
Researchers estimate that up to 35.5 million people in the northern Caribbean are at risk due to tsunamis triggered by movement along the North American and Caribbean plate boundary. The region has experienced several devastating tsunamis in the past, including those in 1692, 1780, and 1946.
A recent study in Bosnia-Herzegovina found that child sex trafficking is often fueled by extreme poverty and family involvement, rather than organized crime. The report highlights the need to address poverty and ethnic discrimination to reduce exploitation of impoverished children.
Research in post-tsunami Thailand reveals key findings on building materials, structures, and orientations that can help minimize damage. Elevated structures, reinforced concrete, and strong foundations are among the essential elements to consider when designing coastal constructions.
A new study suggests that the anterior cingulate cortex (ACC) functions as an early warning system to help recognize and avoid high-risk situations. The ACC learns to warn us of potential mistakes before difficult decisions must be made, allowing for more careful behavior.
The Global Seismographic Network can track seismic signals in real-time, allowing researchers to compile and interpret information about potential hazards sooner. The network's unparalleled detail enables scientists to quickly determine the magnitude and location of an event in near real-time.
Scientists are investigating ways to stop rapid deterioration and restore marsh land in Louisiana's southern coastal wetlands, which are losing a football field-sized area every 35 minutes. The consequences of losing the wetlands will be far-reaching, affecting oil and gas prices, causing them to rise everywhere.
Virginia Tech professors Fred Piercy and Margaret Keeling will provide mental health training in Indonesia to help therapists work with families and children. The training aims to promote culturally sensitive interventions and community support, taking into account the importance of cultural and religious rituals in Indonesian society.
A case report reveals a traveller from a tsunami-affected region developed mucormycosis, highlighting the need for early diagnosis and treatment. The study suggests that travellers repatriated from affected areas can serve as predictors of infections in survivors.
Researchers have found evidence of coastal subsidence preceding major subduction zone quakes, potentially providing a warning system for tsunami alerts. The study suggests that areas along subduction zones should monitor subsidence to predict potential earthquakes and tsunamis.
Researchers measured ancient moraine crests to determine past movement on the Karakorum fault, revealing a significant right-lateral motion. The study's findings provide crucial insights into the Asian continent's movement and the collision of India and Asia.
The American Geosciences Institute (AGI) has partnered with the USGS to provide a Global GIS DVD-ROM, which offers datasets of historical seismicity, topography, and other geospatial information. This database is being distributed to disaster teams to aid in tsunami relief efforts.
The simulation reveals how tsunamis strike coastlines with devastating force, deforming sea water and affecting the earth's surface. The Cornell Multigrid Coupled Tsunami model, or COMCOT, calculates sea surface elevation based on earthquake data and topography.
A 9.0 earthquake off the coast of Indonesia shifted the North Pole by centimeters and decreased the length of day by 2.68 microseconds, according to NASA scientists. The quake also slightly changed the planet's shape and affected its oblateness.
The Lancet proposes two solutions to address aid coordination issues in tsunami-hit regions: an inter-governmental panel and an International Commission on Global Responses to Complex Emergencies. These measures aim to prevent competing agendas from hindering relief efforts.
The Indonesian earthquake's unique combination of a subduction zone and shallow depth made it particularly deadly, resulting in over 150,000 deaths. Scientists have developed technology to warn people of pending tsunamis, but an early warning system is lacking in the Indian Ocean.
A team of scientists from Cornell University and international partners will assess the impact of recent tsunamis on Sri Lanka's coastline. The research aims to enhance predictive capabilities and inform future development of tsunami warning systems.
Scientists studying uplift along the Oregon coast reveal similarities with past earthquakes, indicating an accumulation of strain for a potential future earthquake. A tsunami could cause widespread damage from Northern California to Vancouver, B.C., with waves arriving within minutes after shaking ends.
Scientists on a research cruise off the Alaskan coast have identified previously undiscovered deep-sea habitats and sparked debate about the causes of a devastating 1946 tsunami. The expedition used cutting-edge technology to map the seafloor, collect sediment samples, and probe the region with an ROV.
The UC Davis Center for Geotechnical Modeling has been upgraded with a 30-foot radius centrifuge, enabling researchers to simulate pressures deep in the ground and study soil liquefaction during earthquakes. The network allows for remote collaboration and data sharing among researchers across the country.
The American Geosciences Institute announced winners of the Earth Science Week contest, showcasing artistic talents in visual arts, essay writing, and photography. The contests aimed to increase public awareness of geology and the earth sciences.
USC researchers warn that a strong earthquake could trigger a tsunami in San Pedro Bay, potentially devastating the largest container ports in the US. The study found that a magnitude 7.6 earthquake could cause waves to build to nine feet inside the harbor, threatening ships and coastal areas.
Scientists from Japan, Canada, and the US conclude a 1700 Japan tsunami was caused by a magnitude 9 North American earthquake. Computer simulations reveal the Cascadia subduction zone can produce such a massive earthquake, posing a threat to coastal regions.
A 1700 Cascadia earthquake is supported by a Japanese shipwreck and tsunami records from five other towns, suggesting the event was a magnitude 9 earthquake off the Washington coast. The shipwreck's nautical account and tsunami-related deaths confirm its validity.
A massive tsunami is predicted to hit the Atlantic Coast on March 16, 2880, as a result of an asteroid impact. The simulation models a 2-mile diameter asteroid striking the ocean at 38,000 mph, generating waves up to 400 feet high and affecting coastal areas from Cape Cod to Cape Hatteras.
The Cornell laboratory will be a national center for calculating earthquake effects on structures, including soil deformation and seismic damage. The facility will use customized testing structures and actuators to apply displacements and loads, enabling researchers to study the behavior of structures during earthquakes.
Scientists have discovered proof of an ancient earth-shaking asteroid impact in South Africa and Northwest Australia, using ancient rocks containing spherules formed from vaporized meteor material. The study provides insight into the earliest known meteor strike on Earth, which had a profound impact on the planet's surface and climate.
Researchers from NOAA's National Sea Grant College Program explore the impact of selective fishing on fish populations and develop acoustic sensing methods to improve hurricane predictions. Tsunami forecasting also receives attention with a model specifically designed for Hawaii's unique terrain.
Researchers studied the 1883 Krakatau eruption's tsunamis, identifying distinctive pumice deposits that provide clues to the source of volcanic material. The analysis helps scientists interpret coastal deposits in areas of active explosive volcanism and assess volcanic hazards.
Researchers have found evidence of recent earthquakes in a deep-sea core, suggesting the Cascadia subduction zone was active as recently as 300 years ago. The discovery provides new insights into earthquake cycles and helps establish methods to trace the history of earth's active crust.
Geologist Edward Keller has discovered a lost island, Isla Calafia, submerged for over 13,000 years under the Santa Barbara channel. The island, 31 miles long and three miles wide, rises about 660 feet from the bottom of the channel and is bordered by two major earthquake faults.
A new model predicts a mega-tsunami could devastate the US coastline, with wave heights reaching 100 meters on the West Saharan shore and 50 kilometers high in Florida. The energy released would be equivalent to the electricity consumption of the entire United States in half a year.
The National Science Foundation (NSF) has funded a virtual collaborative research network called NEESgrid. This initiative aims to improve seismic design and hazard mitigation by providing researchers with access to cutting-edge computational tools and experimental equipment, enabling them to share data and resources.
Researchers will use shake tables, centrifuges, and tsunami wave tanks from desktop workstations to conduct experiments. The virtual laboratory, NEESgrid, will connect researchers and facilities across the US, fostering collaboration and accelerating seismic design and hazard mitigation.
A new national collaborative network for advanced earthquake engineering research and experimentation is being developed, enabling engineers to pool their experience and perform experiments and simulations on a larger scale. The network will also improve the design of infrastructure to withstand earthquakes and tsunamis.
The National Science Foundation awarded the University of Illinois at Urbana-Champaign a $300,000 grant to lead a national partnership in planning and designing the NEESgrid, a virtual laboratory for earthquake engineering. This grant could potentially lead to a $10 million integration grant.
A geologist suggests that a comet impact that wiped out the dinosaurs may also be responsible for giant boulders found in Arkansas. The rocks were likely carried inland by a tsunami wave from the Gulf of Mexico and Caribbean.
A scientific team's findings suggest that tsunamis may pose a significant threat to the Pacific Rim and other coastline regions due to the instability of submarine structures. The team believes that earthquakes of magnitude 7.0 or greater can trigger massive underwater landslides, resulting in devastating tsunamis.
A computer simulation model of a tsunami wave shows how energy spreads out over hundreds of miles as it travels through deep ocean water. The model is used to estimate impact force on structures and reduce damages caused by tsunamis.
A USGS scientist is presenting new evidence that historical tsunamis in the Caribbean were caused by submarine slope failures and landslides on the nearby sea floor. The research suggests that these events triggered long-period waves that approached shallow water near shorelines, resulting in devastating damage.
Researchers used tree-ring analysis to confirm a devastating 1700 earthquake along the Pacific Northwest coast triggered a tsunami that flooded coastal Japan. The study provides new evidence for the Cascadia subduction zone's role in earthquakes of magnitude 9.
Scientists model 1883 tsunami impact on English Bay and Homer Spit, predicting energy absorption at Anchor Point and flooding risk at Homer Spit. The model helps emergency planners understand risks and plan for potential landslides and tidal waves.
Researchers find parallels between Mount St. Helens' recovery and the Indonesian volcano Krakatau's transformation from a devastated island to a thriving tropical rainforest. Plants establish a stable surface, holding back water and nutrients, allowing for gradual growth and revegetation. This process is key to understanding the renewa...