Evidence found of low slip earthquakes impeding progression of large destructive quakes

phys.org | 5/11/2015 | Staff
n.king (Posted by) Level 3
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A team of researchers affiliated with several institutions in Japan has found evidence of slow slip earthquakes impeding the progression of large destructive quakes. In their paper published in the journal Science, the group describes their study of both types of earthquakes and the events surrounding the large Tohoku-Oki quake in 2011, and what they found. Heidi Houston, with the University of Southern California, has published a Perspective piece on the work done by the team in the same journal issue. She also outlines the two large earthquake tracking systems that have been installed in Japan and on the bottom of the ocean along the Japan Trench.

The Japan Trench is a seafloor depression off the coast of Japan—it was created by tectonic forces as the Pacific plate was pushed beneath the continental Okhotsk Plate, a process that continues today. It is also the site of many undersea earthquakes, which can lead to tsunamis, at least in its midsection, according to evidence found by the researchers with this new effort.

Part - Study - Slip - Earthquakes - Researchers

As part of their study of slip (slow) earthquakes, the researchers were studying data recorded by the Hi-net seismograph...
(Excerpt) Read more at: phys.org
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