New study pinpoints stress factor of mega-earthquake off Japan

The role that geological rock formations offshore of Japan played in producing the massive 2011 Tohoku-oki earthquake -- one of only two magnitude nine mega-earthquakes to occur in the last 50 years -- has been the focus of recent study. The work offers new information about the hazard potential of large earthquakes at subduction zones, where tectonic plates converge.

from Oceanography News -- ScienceDaily http://ift.tt/1LWlgws
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