AVO/USGS Volcanic Activity Notice

Volcano: Okmok (VNUM #311290)

Current Volcano Alert Level: WARNING
Previous Volcano Alert Level: WATCH

Current Aviation Color Code: RED
Previous Aviation Color Code: ORANGE

Issued: Saturday, July 19, 2008, 12:12 PM AKDT
Source: Alaska Volcano Observatory
Notice Number:
Location: N 53 deg 23 min W 168 deg 9 min
Elevation: 3520 ft (1073 m)
Area: Aleutians

Volcanic Activity Summary: Over the last 60 minutes, the amplitude of seismicity at Okmok Volcano has risen markedly, reaching a level commonly associated with vigorous ash emission. AVO believes that ash from Okmok could be exceeding 30,000 feet above sea level. For this reason, AVO is raising the aviation color code to RED and volcano alert code to WARNING.

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

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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