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New studies show earthquake danger could be greater than earlier predictions
Category: News and Politics
New studies show earthquake danger could be greater than earlier predictions
Posted by The Oregonian April 24, 2008 05:44AM
Categories: Breaking News, Environment
New earthquake predictions for Oregon show a possible disaster more powerful than scientists had thought.
The U.S. Geological Survey published new nationwide hazard maps earlier this week and one of the changes centered on the Cascadia Subduction Zone off the Oregon Coast.
Worries about quakes along the coast have been bandied about for years. But new research shows evidence the entire subduction zone could shake all at once resulting in a 9.0 magnitude earthquake.
Scientists from the U.S. Geological Survey say the new maps also show the potential for an earthquake beneath Portland. Experts believe it would be similar to the Nisqually earthquake that hit the Seattle area back in 2001. That was a 6.8 quake that caused more than two billion dollars in damage.
Scientists say the last massive earthquake to hit the Pacific Northwest happened about 300 years ago.
For more information on earthquake safety, go to http://www.earthquakecountry.info/roots/seven_steps.html.
To see the maps, go to http://earthquake.usgs.gov/research/hazmaps/.
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Posted by ELIA on 2008-04-30 10:15:51 | Rating: | Views: 72
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