|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Okmok (VNUM #311290)|
|(4) Current Color Code:||RED|
|(5) Previous Color Code:||ORANGE|
|(6) Source:||Alaska Volcano Observatory|
|(7) Notice Number:||2008/A15|
|(8) Volcano Location:||N 53 deg 23 min W 168 deg 9 min|
|(10) Summit Elevation:||3520 ft (1073 m)|
|(11) Volcanic Activity Summary:||The amplitude of seismic activity has increased in the past hour. Two pilots report ash to 40,000 feet. Satellite data confirm ash to at least 35,000. Based on these observations AVO is increasing the aviation color code at Okmok volcano to RED, and the alert level to WARNING.|
|(12) Volcanic cloud height:|
|(13) Other volcanic cloud information:|
|(14) Remarks:||Please see http://www.avo.alaska.edu/activity/Okmok.php for more information.
The nearest settlements are Nikolski, population about 35, roughly 45 miles west of the volcano, and a small number of people at the abandoned Fort Glenn military base 10 miles east of the volcano.
|(15) Contacts:||John Power, Acting Scientist-in-Charge, USGS
Steve McNutt, Coordinating Scientist, UAFGI
|(16) Next Notice:||A new VAN will be issued if conditions change significantly or alert levels are modified. While a VAN is in effect, regularly scheduled updates are posted at http://www.avo.alaska.edu|
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