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Alert raised around Alaska's Cleveland volcano after likely 'single explosion'


By the CNN Wire Staff
updated 9:25 PM EST, Thu December 29, 2011

(CNN) -- A heightened state of alert has been issued for a remote Alaskan volcano after the detection of a drifting ash cloud, the result of what's believed to have been a lone explosion.

The U.S. Geological Survey put out an orange alert Thursday for Cleveland Volcano in the Aleutian Islands, about 940 miles southwest of Anchorage. That is third out of four possible levels on the federal agency's warning scale.

"Satellite data indicate that this is a single explosion event," the survey and Alaska Volcano Observatory said in its notice, but "more sudden explosions producing ash could occur with plumes... http://www.cnn.com/2011/12/29/us/alaska-volcano-activity/index.html

More ...

http://www.adn.com/2011/12/29/2237612/alaska-volcano-sends-ash-plume.html

http://kucb.org/post/cleveland-volcano-erupts-0


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