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Tsunamis News
June 26, 2022

Top Headlines
 

Scientists Provide Explanation for Exceptional Tonga Tsunami

Scientists say they have identified the exact mechanism responsible for the exceptional tsunami that spread quickly across the world after the colossal eruption of the Tonga volcano earlier this ...

Tsunami Threats Underestimated in Current Models

USC researchers have found a correlation between tsunami severity and the width of the outer wedge -- the area between the continental shelf and deep trenches where large tsunamis emerge -- that ...

Hunga Volcano Eruption Provides an Explosion of Data

The massive Jan. 15, 2022, eruption of the Hunga submarine volcano in the South Pacific Ocean created a variety of atmospheric wave types, including booms heard 6,200 miles away in Alaska. It also ...

New Research Could Provide Earlier Warning of Tsunamis

A new method of detecting mega earthquakes, which picks up on the gravity waves they generate by using deep-learning models, can estimate earthquake magnitude in real time and provide earlier warning ...
Latest Headlines
updated 9:41am EDT

Earlier Headlines
 

New Analysis of Tsunami Deposits Paints a Clearer Picture of Sanriku's Past

The Sanriku Coast - which includes present day Iwate and parts of Aomori and Miyagi - has been prone to tsunamis throughout its history. Analyses of tsunami deposits along the coast, however, ...

Previously Unrecorded Chilean Tsunami Identified

A large earthquake off the coast of south-central Chile in 1737 may have caused a substantial tsunami that was absent from historical records. Historical records are used to predict how often ...

New Research Makes Waves Tackling the Future of Tsunami Monitoring and Modeling

Rising sea levels are already impacting coastal residents and aggravating existing coastal hazards, such as flooding during high tides and storm surges. New research indicates that future sea-level ...

Lake’s Radioactivity Concentration Predicted for 10,000 Days After the Fukushima Accident

Researchers investigated the long-term contamination of Lake Onuma in Japan resulting from the 2011 Fukushima Daiichi nuclear disaster. They devised a formula based on a framework known as the ...

Researchers Identify New Source for Earthquakes and Tsunamis in the Greater Tokyo Region

Researchers have discovered geologic evidence that unusually large earthquakes and tsunamis from the Tokyo region -- located near tectonic plate boundaries that are recognized as a seismic hazard ...

Tree Rings from Old Growth Douglas-Firs on the Oregon Coast Show Evidence of 1700 Tsunami

Core samples taken from a stand of old growth Douglas-fir trees in the South Beach area just south of Newport showed reduced growth following the 9.0 earthquake and subsequent tsunami that struck the ...

New Study Helps Explain 'Silent Earthquakes' Along New Zealand's North Island

The Hikurangi Margin, located off the east coast of the North Island of New Zealand, is partly responsible for the more than 15,000 earthquakes the region experiences each year. Scientists have been ...

New Model Simulates the Tsunamis Caused by Iceberg Calving

A team of scientists has developed a new model for simulating both iceberg calving and the tsunamis that are triggered as a result. Their method can help improve hazard assessment in coastal areas ...

The Science of Tsunamis

The word 'tsunami' brings immediately to mind the havoc that can be wrought by these uniquely powerful waves. The tsunamis we hear about most often are caused by undersea earthquakes, and ...

Fisheries Resilience Following Tohoku Tsunami

A small Japanese fishing community devastated by the Great East Japan Earthquake and Tsunami of 2011 managed to recover from the disaster through cooperative community activity despite the propensity ...

'Slow Slip' Earthquakes' Hidden Mechanics Revealed

Scientists have used seismic 'CT' scans and supercomputers to reveal the inner workings of a region off the coast of New Zealand known to produce slow motion tremors, also called slow slip ...

Newly Published Data Provides Clearer Picture of Volcano Collapse

A recent article reveals new data on the Anak Krakatau volcano flank collapse, which was triggered by an eruption on Detcember 22, ...

Study of Ancient Corals in Indonesia Reveals Slowest Earthquake Ever Recorded

A 'slow-motion' earthquake lasting 32 years - the slowest ever recorded - eventually led to the catastrophic 1861 Sumatra earthquake, researchers have ...

Strong Quake, Small Tsunami

The most energetic earthquakes occur where oceanic plates submerge beneath continental plates during plate tectonics. Quakes in these subduction zone settings commonly carry the risk of triggering ...

Previously Unrecognized Tsunami Hazard Identified in Coastal Cities

A new study found overlooked tsunami hazards related to undersea, near-shore strike-slip faults, especially for coastal cities adjacent to faults that traverse inland bays. Several areas around the ...

Earthquake, Tsunami Hazards from Subduction Zones Might Be Higher Than Current Estimates

Two of the most destructive forces of nature - earthquakes and tsunamis - might actually be more of a threat than current estimates according to new ...

DeepShake Uses Machine Learning to Rapidly Estimate Earthquake Shaking Intensity

A deep spatiotemporal neural network trained on more than 36,000 earthquakes offers a new way of quickly predicting ground shaking intensity once an earthquake is underway, researchers ...

Was Cascadia's 1700 Earthquake Part of a Sequence of Earthquakes?

The famous 1700 Cascadia earthquake that altered the coastline of western North America and sent a tsunami across the Pacific Ocean to Japan may have been one of a sequence of earthquakes, according ...

GPS Data Reveal Possible Earthquake, Tsunami Hazard in Northwestern Colombia

Data from a GPS network in Colombia have revealed a shallow and fully locked part on the Caribbean subduction zone in the country that suggests a possible large earthquake and tsunami risk for the ...

New Promise of Forecasting Meteotsunamis

On the afternoon of April 13, 2018, a large wave of water surged across Lake Michigan and flooded the shores of the picturesque beach town of Ludington, Michigan, damaging homes and boat docks, and ...

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