Scientists Stumped by Oregon Quakes

Rumbling of 600 quakes in 10 days caught by underwater microphones
By Rob Quinn,  Newser Staff
Posted Apr 12, 2008 7:33 AM CDT
Scientists Stumped by Oregon Quakes
The quakes have so far been too small and too far offshore to cause any damage on land, although some Oregonians are reported to have felt them.   (Magnum Photos)

A swarm of more than 600 earthquakes off the Oregon coast has scientists stumped, the Oregonian reports. The activity started around 10 days ago and a research ship has been diverted to the area to look for answers. The earthquakes resemble those that happen before a volcano erupts but there are none in the area, around 150 miles off central Oregon. Three of the earthquakes have been over magnitude 5 on the Richter scale. (More Oregon stories.)

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