Researchers have known for decades that deep earthquakes—those deeper than 60 kilometers, or about 37 miles below the Earth's surface—radiate seismic energy differently than those that originate closer to the surface. ...
Earth Sciences
Jul 30, 2018
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89
With four years of data from 268 seismometers on the ocean floor and several hundred on land, researchers have found anomalies in the upper mantle below both ends of the Cascadia Subduction Zone. They may influence the location, ...
Earth Sciences
Jul 25, 2018
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3462
Researchers at Tohoku University's Department of Geophysics have been studying the great Tohoku-oki earthquake which occurred on March 11, 2011, to the east of Japan's Honshu Island (Fig. 1).
Earth Sciences
Jul 4, 2018
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9
Earth scientists consistently look for a reliable way to forecast earthquakes. New research from University of Alaska Fairbanks Geophysical Institute professor Carl Tape may help in that endeavor, due to a unique set of circumstances.
Earth Sciences
Jun 5, 2018
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286
The 2004 Indian Ocean tsunami has researchers reevaluating whether a magnitude 9.0 megathrust earthquake and resulting tsunami might also be a likely risk for the Caribbean region, seismologists reported at the SSA 2018 Annual ...
Earth Sciences
May 16, 2018
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6
Under Mexico, where the Cocos Plate from the Pacific Ocean slides under the North American Plate, a bending line of hills, created when the seafloor first formed, sits atop a flattened area of subduction.
Earth Sciences
Mar 12, 2018
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167
A mission to study New Zealand's largest fault by lowering two sub-seafloor observatories into the Hikurangi subduction zone is underway this week.
Earth Sciences
Mar 8, 2018
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19
A scientific team has discovered the geological footprint of earthquakes and tsunamis that affected the Aysén region (southern Chile) up to 9,000 years ago. This new study improves the assessment of seismic hazard in a wide ...
Earth Sciences
Mar 7, 2018
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188
Mexico's earthquake early warning system gave Mexico City's residents almost two minutes of warning prior to the arrival of strong seismic waves from the September 7, 2017 Tehuantepec earthquake centered off the southern ...
Earth Sciences
Feb 6, 2018
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15
New data from state geologists show that an earthquake fault runs below Rodeo Drive and Beverly Hills' shopping district, heightening the known seismic risk in an area famous for Cartier, Gucci, Prada and other luxury brands.
Earth Sciences
Jan 26, 2018
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56
