Unusual Earthquakes Measured Off Oregon

April 12th, 2008 in Space & Earth / Earth Sciences

(AP) -- Scientists listening to underwater microphones have detected an unusual swarm of earthquakes off central Oregon, something that often happens before a volcanic eruption - except there are no volcanoes in the area.

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"Unusual Earthquakes Measured Off Oregon." April 12th, 2008. http://www.physorg.com/news127238826.html