Sumatra Big Quake of April, 2012 Caused a Cascade of Quakes Worldwide

9 01 2013

Rare great earthquake triggers large aftershocks all over the globe

A Magnitude-8.6 earthquake on April, 11, 2012 set in motion an unprecedented increase in global seismic activity, study shows.

Large earthquakes can alter seismicity patterns across the globe in very different ways, according to two new studies by U.S. Geological Survey seismologists.  . . .  (more)

http://earthsky.org/science-wire/rare-great-earthquake-triggers-large-aftershocks-all-over-the-globe

see SPOOKS on the top tabs and Glimpses of America’s Man-Made Disasters for lots of info on man-made earthquakes – 😉


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