Mysterious "Swarm" of Quakes Strikes Oregon Waters
Richard A. Lovett - April 16, 2008 -
http://news.nationalgeographic.com/news/2008/04/080416-oregon-quakes.htmlThis weekend scientists will take to the water to try to puzzle out the cause of a "swarm" of mysterious earthquakes that has shaken the seafloor near Oregon in recent weeks.
About 600 earthquakes have been recorded in a small region about 190 nautical miles (350 kilometers) offshore from Yachats, said Robert Dziak, a geophysicist with Oregon State University and the National Oceanic and Atmospheric Administration (NOAA) in Newport, Oregon.
Oregon earthquake swarm image = Enlarge Photo
Most of the temblors were small, about magnitude 2 or 3, although a few were magnitude 4 or 5. ...........