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Great Sitkin | Cleveland | Shishaldin 
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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
Great Sitkin
Color Code YELLOW / Alert Level ADVISORYvolcano image
Full details ...
Cleveland
Color Code ORANGE / Alert Level WATCHvolcano image
Full details ...
Shishaldin
Color Code YELLOW / Alert Level ADVISORYvolcano image
Full details ...

LAST ACTIVITY REPORT
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ALASKA VOLCANO OBSERVATORY DAILY UPDATE
U.S. Geological Survey
Sunday, December 17, 2017, 11:07 AM AKST (Sunday, December 17, 2017, 20:07 UTC)


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

No volcanic activity has been observed at Cleveland Volcano in partly cloudy satellite data acquired over the past 24 hours and no activity has been seen in seismic or infrasound data over the past day.

GREAT SITKIN VOLCANO (VNUM #311120)
52°4'35" N 176°6'39" W, Summit Elevation 5709 ft (1740 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

Low-level unrest continues at Great Sitkin volcano. No activity was observed in partly cloudy satellite views of Great Sitkin over the past 24 hours. Nothing of note was observed in seismic data over the past day.

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

Unrest continues at Shishaldin. Activity observed on seismic and infrasound instruments remains elevated. No activity was observed in mostly cloudy satellite images acquired over the past 24 hours. Ice is still covering the web camera enclosure window and preventing any images of Shishaldin.

OTHER ALASKA VOLCANOES

Information on all Alaska volcanoes is available at : http://www.avo.alaska.edu.

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

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

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CONTACT INFORMATION:

Michelle Coombs, Scientist-in-Charge, USGS
mcoombs@usgs.gov (907) 786-7497

Jessica Larsen, Acting Coordinating Scientist, UAF
jflarsen@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.
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RUSSIAN VOLCANO INFORMATION

OUTSIDE LINKS
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URL: www.avo.alaska.edu/index.php
Page modified: November 29, 2017 12:41
Contact Information: AVO Web Team

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