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AVO VOLCANO ACTIVITY NOTIFICATION

ALASKA VOLCANO OBSERVATORY STATUS REPORT
U.S. Geological Survey
Monday, July 21, 2008, 3:49 PM AKDT (Monday, July 21, 2008, 23:49 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

The eruption of Okmok Volcano continues. Seismicity remains episodic in character and well above background levels. Reports from pilots indicate a plume of ash and steam is reaching roughly 24,000 feet above sea level and moving to the southeast.

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

Reports from fishing boats indicate an eruption of Cleveland volcano occurred at approximately 12:00 AKDT (20:00 UTC). These reports also indicate that at sea level the ash may be moving to the northwest. Reports from pilots indicate a plume of ash and steam reaching roughly 15,000 - 17,000 feet above sea level in the vicinity of Cleveland and moving to the southeast. Pilots also report surface ash extending up to 50 miles southeast of the event.

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


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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