VOLCANO: Alaska Volcano Observatory Status Update - Cleveland Alert Level Watch

[Kirsten Chojnicki <kchojnic@xxxxxxx>]

 

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Alaska Volcano Observatory Status Update - Cleveland Alert Level Watch

From: avo-sci@xxxxxxxx

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ALASKA VOLCANO OBSERVATORY CURRENT STATUS REPORT
Sunday, October 4, 2009 12:32 PM AKDT (Sunday, October 4, 2009 20:32 UTC)

 

CLEVELAND VOLCANO (CAVW #1101-24-)
52°49'20" N 169°56'42" W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

 

Clouds have obscured Cleveland volcano in satellite data today. No additional eruptive activity has been observed. A brief eruption at ~0730 UTC (2330 AKDT) 02 October 2009 produced a small, detached ash cloud at maximum altitudes of 15,000' to 20,000' (4.5 - 6.1 km). While no more events have been detected, further eruptive activity is possible at any time.

 

The lack of a real-time seismic network at Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions with ash plumes that could exceed 20,000 ft above sea level can occur without warning and may go undetected on satellite imagery.

 

SHISHALDIN VOLCANO (CAVW #1101-36-)
54°45'19" N 163°58'16" W, Summit Elevation 9373 ft (2857 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

 

Seismic activity at Shishaldin remains low. Webcam and satellite views are obscured by clouds today.

 

CONTACT INFORMATION:

Stephanie Prejean, Acting Scientist-in-Charge, USGS
sprejean@xxxxxxxx (907) 786-7497

 

Steve McNutt, Coordinating Scientist, UAF
steve@xxxxxxxxxxxxxxxxx (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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