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Volcano Activity Notifications
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Report Text
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ALASKA VOLCANO OBSERVATORY INFORMATION STATEMENT
Thursday, August 28, 2008 3:01 PM AKDT (Thursday, August 28, 2008 2301 UTC)


As a result of more than a week of declining activity at Kasatochi and Okmok volcanoes, beginning at 5 pm ADT today, AVO will scale back its 24-hour monitoring activities that began on July 12 with the eruption of Okmok volcano. The AVO operations room will be staffed during normal business hours (8 am to 5 pm), and the status of the volcanoes will be checked every two hours during non-business hours and on the weekends. AVO will continue to closely monitor activity at Kasatochi, Okmok, and Cleveland volcanoes (those volcanoes at elevated color code) using seismic data, satellite images, internet camera data and observer reports.

AVO may be contacted during non-business hours by calling 907-786-7497 and calls will be directed to the AVO Duty Scientist through our answering service.

VOLCANO INFORMATION ON THE INTERNET: http://www.avo.alaska.edu

RECORDING ON THE STATUS OF ALASKA'S VOLCANOES (907) 786-7478

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

Steve McNutt, Coordinating Scientist, UAF
steve@giseis.alaska.edu (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.
Volcano Alert Levels
NORMAL
Volcano is in typical background, noneruptive state or, after a change from a higher level, volcanic activity has ceased and volcano has returned to noneruptive background state.
ADVISORY
Volcano is exhibiting signs of elevated unrest above known background level or, after a change from a higher level, volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase.
WATCH
Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway but poses limited hazards.
WARNING
Hazardous eruption is imminent, underway, or suspected.
Aviation Color Codes
GREEN
Volcano is in typical background, noneruptive state or, after a change from a higher level, volcanic activity has ceased and volcano has returned to noneruptive background state.
YELLOW
Volcano is exhibiting signs of elevated unrest above known background level or, after a change from a higher level, volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase.
ORANGE
Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway with no or minor volcanic-ash emissions [ash-plume height specified, if possible].
RED
Eruption is imminent with significant emission of volcanic ash into the atmosphere likely OR eruption is underway or suspected with significant emission of volcanic ash into the atmosphere [ash-plume height specified, if possible].
URL: www.avo.alaska.edu/activity/avoreport.php
Page modified: October 23, 2013 13:13
Contact Information: AVO Web Team

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