Subduction zones, where a slab of oceanic plate is pushed beneath another tectonic plate down into the mantle, cause the world's largest and most destructive earthquakes. Reconstructing the geometry and stress conditions ...
Earth Sciences
Dec 27, 2021
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111
Surface rupturing during earthquakes is a significant risk to any structure that is built across a fault zone that may be active, in addition to any risk from ground shaking. Surface rupture can affect large areas of land, ...
Polymers
Feb 16, 2021
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15
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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A striking finding of the 2011 Tohoku-oki earthquake (Mw 9.0) is that more than 50 meters of coseismic fault slip reached the trench axis. In addition to this, seismological studies found a clear depth-dependent variation ...
Earth Sciences
Sep 5, 2017
0
7
Rainwater may play an important role in the process that triggers earthquakes, according to new research.
Earth Sciences
Apr 27, 2016
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293
New geophysical data show that fault slip during the March 2005 magnitude 8.7 (Mw) earthquake off the west coast of northern Sumatra, Indonesia (also referred to as the Simeulue-Nias earthquake), was stopped by the topography ...
Earth Sciences
Dec 11, 2015
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35
The major fault line, which runs almost the entire length of the South Island, has been assumed to be a near vertical crack. However, studies of seismic data have revealed the fault line becomes flatter at depth.
Earth Sciences
Sep 2, 2015
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11
Scientists using GPS to study changes in the Earth's shape accurately forecasted the size and location of the magnitude 7.6 Nicoya earthquake that occurred in 2012 in Costa Rica.
Earth Sciences
Dec 22, 2013
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0
(Phys.org) —On March 11, 2011, a magnitude 9.0 undersea earthquake occurred 43 miles off the shore of Japan. The earthquake generated an unexpectedly massive tsunami that washed over eastern Japan roughly 30 minutes later, ...
Earth Sciences
Jun 5, 2013
0
0
Earthquakes similar in magnitude to the 2004 Sumatra earthquake could occur in an area beneath the Arabian Sea at the Makran subduction zone, according to recent research published in Geophysical Research Letters.
Earth Sciences
May 13, 2013
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