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Graph of magnitude 5 or greater earthquakes from 1970- April 2011

The United States Geological Survey (USGS) keeps track of earthquake locations and...

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The United States Geological Survey (USGS) keeps track of earthquake locations and...

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Geophysicist Jian Lin of Woods Hole Oceanographic Institution and chief U.S....

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This Japanese research ship Chikyu drills into the ocean floor to learn about...

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On August 23, 2011 a magnitude 5.8 earthquake struck the East Coast of the United...