Alaska Earthquakes

Alaska Earthquakes 18 July 2010

A magnitude 6.7 earthquake hit near Nikolski, Alaska in the Aleutian island chain at 1:56 a.m. EDT 18 July 2010. Since then more than ten aftershocks have hit in the same region, including a 4.9 at 6:07 a.m. and a 4.5 at 7:52 a.m. All of these have been shallow earthquakes triggered at a depth of 10 kilometers or less. Over the last seven days more than 900 earthquakes magnitude 1 or higher have affected the continental USA, Hawaii, Puerto Rico and the U.S. Virgin Islands, of which 70 have been magnitude 3.0 or higher.

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