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Archived Report
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ALASKA VOLCANO OBSERVATORY

CURRENT STATUS REPORT

Thursday, June 1, 2006 12:05 PM AKDT (2005 UTC)




AUGUSTINE VOLCANO (CAVW#1103-01-)

59°21'48"N 153°26'W , Summit Elevation 4134 ft (1260 m)

Current Level of Concern Color Code: YELLOW



Seismic activity remains low at Augustine. Satellite and web camera views since yesterday have been mostly obscured by clouds, although occasional views of the summit from the Mound web camera show a low level steam plume. A few small rockfall events have occurred over the past 24 hours.



Lava effusion, if still ongoing, is occurring at rates too low to be detected by visual, seismic, or satellite data. Large rockfall events and/or block-and-ash flows could occur with little or no warning, but ash will likely not travel far beyond Augustine Island.



AVO continues to monitor Augustine closely.





VENIAMINOF VOLCANO (CAVW#1102-07-)

56°11'44"N 159°23'18"W , Summit Elevation 8225 ft (2507 m)

Current Level of Concern Color Code: YELLOW



Seismicity at Veniaminof remains low. Satellite and web camera views since yesterday have indicated a low level steam plume rising from the intracladera cone.



Intermittent production of short-lived, very small-volume steam and ash bursts from the intracaldera cone have been typical of Veniaminof volcano over the past few years. Ash clouds and ash fall from these events are not likely to extend beyond the caldera rim, but could pose a hazard to people and low-flying aircraft in the vicinity of the active cone. There are no indications that activity is likely to increase beyond this level and there are no signs that a larger eruption is imminent.



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



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



CONTACT INFORMATION:

Tom Murray, Scientist-in-Charge, USGS

tlmurray@usgs.gov (907) 786-7497



John Eichelberger, Coordinating Scientist, UAF-GI

eich@gi.alaska.edu (907) 474-5530



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].
PDF version of these definitions
URL: avo.alaska.edu/activity/avoreport_archives.php
Page modified: June 11, 2012 11:50
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