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ALASKA VOLCANOES UPDATE
Friday, February 18, 2000 1:30 PM
AST (2230 UT)
54°45.33'N 163°58.00'W (CAVW
Summit Elevation 9,373 ft (2,857 m)
LEVEL OF CONCERN COLOR CODE
PREVIOUS LEVEL OF CONCERN
COLOR CODE WAS YELLOW
Seismic activity has declined significantly
at Shishaldin volcano.
February 4th marked the last day
that appreciable numbers of
seismic events were detected.
This was also the last day that the
presence of small explosions was
observed. No thermal anomaly
has been observed in satellite
imagery and no pilot or ground
observations of unusual activity
have been reported. The Level of
Concern Color Code has therefore
been changed to GREEN.