Subduction zones—places where one tectonic plate dives beneath another—are where the world's largest and most damaging earthquakes occur. A new study has found that when underwater mountains—also known as seamounts—are ...
Earth Sciences
Mar 2, 2020
0
297
Earthquakes along a complex series of faults in the upper plate of New Zealand's northern Hikurangi Subduction Margin were responsible for coastal uplift in the region, according to a new evaluation of local marine terraces.
Earth Sciences
Jan 28, 2020
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187
In the aftermath of the devastating Tohoku-Oki earthquake that struck off the coast of Japan in March 2011, seismologists were stunned by the unprecedented 50 meters of shallow displacement along the fault, which ruptured ...
Earth Sciences
Jan 27, 2020
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234
University of South Florida geoscientists have successfully developed and tested a new high-tech shallow water buoy that can detect the small movements and changes in the Earth's seafloor that are often a precursor to deadly ...
Earth Sciences
Nov 22, 2019
1
249
Each year, anywhere from a few hundred to tens of thousands of deaths are attributed to the catastrophic effects of major earthquakes. Apart from ground shaking, earthquake hazards include landslides, dam ruptures, flooding, ...
Earth Sciences
Nov 14, 2019
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9
By combining models of magnitude 9 to 9.2 earthquakes on the Cascadia Subduction Zone with geological evidence of past coastal changes, researchers have a better idea of what kind of megathrust seismic activity was behind ...
Earth Sciences
Oct 29, 2019
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724
A new study from Caltech finds that so-called "slow slip" or "silent" earthquakes behave more like regular earthquakes than previously thought. The discovery opens the door for geoscientists to use these frequent and nondestructive ...
Earth Sciences
Oct 23, 2019
1
419
Scientists from Tokyo Metropolitan University and Ritsumeikan University have found a link between the "roundness" distribution of tsunami deposits and how far tsunamis reach inland. They sampled the "roundness" of gravel ...
Environment
Aug 26, 2019
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10
With sunlight sparkling off surrounding Yaquina Bay, workers are putting up an ocean-studies building, smack in the middle of an area expected to one day be hit by a tsunami.
Environment
Aug 16, 2019
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8
Using ground motions generated for a range of simulated magnitude 9 earthquakes in the Pacific Northwest, researchers are testing how well reinforced concrete walls might stand up under such seismic events.
Earth Sciences
Apr 24, 2019
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8
