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AVO VOLCANO ACTIVITY NOTIFICATION

ALASKA VOLCANO OBSERVATORY STATUS REPORT
U.S. Geological Survey
Thursday, July 31, 2008, 2:05 PM AKDT (Thursday, July 31, 2008, 22:05 UTC)


OKMOK VOLCANO (VNUM #311290)
53°23'49" N 168°9'58" W, Summit Elevation 3520 ft (1073 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Satellite images indicate the ash plume at Okmok is at altitudes of 30,000 to 32,000 ft. and moving north from the volcano. Seismicity continues to alternate between periods of continuous and pulsating tremor.

Stronger explosive activity could resume at any time with little or no warning.


Please see http://www.avo.alaska.edu/activity/Okmok.php for more information.

CLEVELAND VOLCANO (VNUM #311240)
52°49'20" N 169°56'42" W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

A strong thermal anomaly is still visible through clouds in the latest satellite images.



Please see http://www.avo.alaska.edu/activity/Cleveland.php for more information.





CONTACT INFORMATION:

John Power, Acting Scientist-in-Charge, USGS
jpower@usgs.gov, (907)786-7497

Steve McNutt, Coordinating Scientist, UAFGI
steve@giseis.alaska.edu (907)978-5458

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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URL: www.avo.alaska.edu/activity/report.php
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