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23 ago 2011

How Earthquakes Work

A 5.9-magnitude earthquake that struck northwest of Richmond, Va., today shook much of Washington, D.C., and was felt as far north as Rhode Island. Can earthquakes happen anywhere?




How Earthquakes Work


Backlink: http://feeds.howstuffworks.com/~r/DailyStuff/~3/FOxpY9o49UM/earthquake.htm