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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).
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Cleveland
Color Code YELLOW / Alert Level ADVISORYvolcano image
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AVO studies resuspended volcanic ash from the Katmai region to Kodiak Island, Alaska
Posted: April 25, 2016

Air quality instrument to measure particulate matter
Alaska Volcano Observatory scientists are re-deploying instruments in two locations on Kodiak Island to monitor air quality during high wind events that transport reworked, 100-year-old volcanic ash from the Katmai region to Shelikof Strait, Kodiak Island, and the Gulf of Alaska. These clouds, easily visible on satellite images, contain volcanic ash shards that are a known hazard to aviation. Scientists are studying other effects of the remobilized ash fallout on the ground and whether there is a public health hazard. This phenomenon is not the result of new volcanic activity, but occurs seasonally in the spring and fall during times of high winds and dry, snow-free conditions in the Katmai area and in other young volcanic areas of Alaska. The USGS and AVO work closely with the National Weather Service, who has the responsibility to issue forecasts and statements of resuspended volcanic ash.

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Citizen Science - Volcanic Ash Collection Workshop and Public Talk, Kodiak
Posted: April 25, 2016

Citizen scientist ash collection, Redoubt 2009
Public Talk: Resuspended Volcanic Dust from the Katmai Region to Kodiak Island
Thursday, April 28, 12:00 - 1:00 pm

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LAST ACTIVITY REPORT
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ALASKA VOLCANO OBSERVATORY DAILY UPDATE
Tuesday, May 3, 2016 12:51 PM AKDT (Tuesday, May 3, 2016 20:51 UTC)


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 at Cleveland in mostly cloudy satellite images during the past 24 hours. Several local earthquakes have been detected in seismic data over the past day. Nothing significant seen in infrasound (pressure sensor) 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:
Chris Waythomas, Acting Scientist-in-Charge, USGS
chris@usgs.gov (907) 786-7497

Jeff Freymueller, Coordinating Scientist, UAFGI
jeff.freymueller@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.
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Page modified: November 15, 2014 16:35
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