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AVO VOLCANO ACTIVITY NOTIFICATION

ALASKA VOLCANO OBSERVATORY STATUS REPORT
U.S. Geological Survey
Saturday, May 23, 2009, 1:50 PM AKDT (Saturday, May 23, 2009, 21:50 UTC)


REDOUBT VOLCANO (VNUM #313030)
60°29'7" N 152°44'38" W, Summit Elevation 10197 ft (3108 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

The 2009 eruption of Redoubt continues. Seismicity over the past 24 hours remains elevated, and the summit lava dome continues to grow. Although the summit is obscured by clouds in the webcam, it is likely that a low-level steam plume persists in the vicinity of the volcano's summit. Rock falls may be producing minor ash clouds in the vicinity of the summit.

The lava dome may become unstable and could collapse with little or no warning, leading to significant ash emissions and possible lahars in the Drift River Valley. AVO is monitoring Redoubt volcano closely and the observatory is staffed 24/7. AVO will provide frequent updates of the volcano's status and the earliest possible warning of significant explosive activity and other hazardous phenomena.


VENIAMINOF VOLCANO (VNUM #312070)
56°11'52" N 159°23'35" W, Summit Elevation 8225 ft (2507 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Low amplitude volcanic tremor continues at Veniaminof. No unusual activity was seen in partly cloudy satellite images in the past 24 hours. AVO has received no reports of activity from pilots or observers in the area.





VOLCANO INFORMATION ON THE INTERNET: http://www.avo.alaska.edu

RECORDING ON THE STATUS OF ALASKA'S VOLCANOES (907) 786-7478

CONTACT INFORMATION:

Tom Murray, Scientist-in-Charge, USGS
tlmurray@usgs.gov (907) 786-7497

Steve McNutt, Coordinating Scientist, UAF
steve@giseis.alaska.edu (907) 474-7131

The Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.
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