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The Alaska Volcano Observatory (AVO) is a joint program of the United States Geological Survey (USGS), the Geophysical Institute of the University of Alaska Fairbanks (UAFGI), and the State of Alaska Division of Geological and Geophysical Surveys (ADGGS).
RESTLESS VOLCANOES
Pavlof
Color Code YELLOW / Alert Level ADVISORYvolcano image
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Cleveland
Color Code YELLOW / Alert Level ADVISORYvolcano image
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Shishaldin
Color Code ORANGE / Alert Level WATCHvolcano image
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NEWS
25th Anniversary of the 1989-90 Eruption of Redoubt Volcano
Posted: December 13, 2014

Redoubt, 1990
On December 14, 1989, as many Alaskans were preparing for the Christmas holidays, Redoubt Volcano explosively erupted, heralding the beginning of a six-month-long eruption. This eruption was the second most costly eruption in U.S. history, and jump-started the newly-created Alaska Volcano Observatory (AVO).

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LAST ACTIVITY REPORT
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ALASKA VOLCANO OBSERVATORY DAILY UPDATE
Sunday, December 21, 2014 11:58 AM AKST (Sunday, December 21, 2014 20:58 UTC)


SHISHALDIN VOLCANO (VNUM #311360)
54°45'19" N 163°58'16" W, Summit Elevation 9373 ft (2857 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Seismic activity has remained above background over the past 24 hours. Nothing significant was observed in mostly cloudy satellite images. Occasional steam emissions can be seen in web camera images.

PAVLOF VOLCANO (VNUM #312030)
55°25'2" N 161°53'37" W, Summit Elevation 8261 ft (2518 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Seismicity at the volcano has remained at slightly above background levels over the past 24 hours. No activity was observed in partly cloudy satellite and web camera views. Pauses in vigorous eruptive activity of days to weeks are common during eruptive episodes of Pavlof Volcano, and a return to more robust eruptive activity remains possible and could occur with little or no warning.

CLEVELAND VOLCANO (VNUM #311240)
52°49'20" N 169°56'42" W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

No activity was observed in mostly cloudy satellite and web camera images in the past 24 hours. No significant activity was detected in seismic or infrasound data.


OTHER ALASKA VOLCANOES

Other Alaska volcanoes show no signs of significant unrest: http://www.avo.alaska.edu/activity/

AVO scientists conduct daily checks of earthquake activity at all seismically-monitored volcanoes, examine web camera and satellite images for evidence of airborne ash and elevated surface temperatures, and consult other monitoring data as needed.

For definitions of Aviation Color Codes and Volcano Alert Levels, see: http://www.avo.alaska.edu/color_codes.php

FOR MORE INFORMATION ON ALASKA VOLCANOES: http://www.avo.alaska.edu

SUBSCRIBE TO VOLCANO ALERT MESSAGES by email: http://volcanoes.usgs.gov/vns/

FOLLOW AVO ON FACEBOOK: https://facebook.com/alaska.avo

FOLLOW AVO ON TWITTER: https://twitter.com/alaska.avo

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

Pavel Izbekov, Acting Coordinating Scientist, UAFGI
pavel@gi.alaska.edu (907) 322-4085

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.
NEWS

IS ASH FALLING?

RUSSIAN VOLCANO INFORMATION

OUTSIDE LINKS
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URL: www.avo.alaska.edu/index.php
Page modified: November 15, 2014 16:35
Contact Information: AVO Web Team

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