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July 5, 2008 5:33:37 PM CDT



Scientists Stumped by Oregon Quakes

Posted Apr 12, 08 7:33 AM CDT in Science & Health US    Most Covered

(Newser) – 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.

Sources Oregonian (Portland), Associated Press

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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)
Geologists are sending a research ship to investigate mysterious earthquakes happening around 170 miles off the coast of Oregon.   (Archive Photos)
Scientists say the rumbling of quakes off the Oregon coast is unlike anything they've heard in 17 years of listening through underwater microphones.   (Magnum Photos)
A steady rumbling of earthquakes off the Oregon coast, heard over hydrophones, has baffled scientists.   (Magnum Photos)
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earthquake   Oregon   Richter scale   tectonic plates   geologist   underwater



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