Articles tagged with Tsunamis
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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.
Scientists discovered complex deformation in a subduction zone near Japan, while studying the effects of land water storage on global mean sea level over the past half century. Researchers also found a link between the ionosphere's plasma rise and depletion, and discovered that Siberian peatlands release copious carbon as they thaw
The study provides a comprehensive analysis of the earthquakes, including the longest fault rupture and duration of faulting, as well as the seismic waves that traveled around the globe. The researchers also found that the earthquake caused the planet to vibrate with 'free oscillations,' like the ringing of a bell.
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.
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.
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.
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.
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.
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.
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.
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 concentration of people and wealth in underground spaces poses significant risks from floods, tsunamis, and other extreme events. Modeling catastrophic events is crucial for designing contingencies such as evacuations and emergency containment.
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.
Researchers create a system that takes chaotic reports from the field and transforms them into useful information for decision-makers and emergency responders. The system, undergoing beta testing, is designed to suggest likely scenarios and provide confidence measures within minutes of receiving initial reports.
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.
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.
A study found that planetary waves reflect instead of absorb in the subtropics, affecting weather patterns. Phytoplankton growth in Arctic waters is influenced by sea ice coverage, with polynyas impacting timing and intensity. Carbon dioxide release from underground waterways may predict tectonic activity in central Italy.
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.
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 detected a magnitude 5.7 quake on Kilauea's southern flank in November 2000 using GPS data, which caused the volcano's southern flank to slide nearly 3.5 inches into the sea. The event could become a model for predicting catastrophic tsunamis in the Pacific.
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.
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.
Researchers found that rigidity of rock and sediments increases with depth in subduction zones, affecting earthquake duration and seismic waves. This discovery provides a powerful tool for seismologists to improve earthquake probability calculations and better understand destructive earthquakes.
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.
Researchers at Cornell University have developed a network of instruments to predict and track tsunamis in real-time. The sensors will be placed on the ocean floor in strategic parts of the Pacific rim, including south of the Aleutian Islands chain and along coastal areas of Asia.
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.