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LEVEL OF CONCERN COLOR CODE: YELLOW
LAST LEVEL OF CONCERN: ORANGE
Seismicity at Pavlof volcano has declined sharply last evening and the eruptive phase that began on December 26 appears to be over. Reports from pilots and ground observers in Cold Bay this morning also indicate no eruptive activity at the volcano. AVO has therefore downgraded the Level of Concern Color Code to YELLOW. The history of Pavlof volcano, however, suggests that further eruptive phases can be expected in the near future, perhaps with little or no warning. AVO will continue to monitor the volcano and issue updates as necessary.
The nearest towns to the volcano are Cold Bay (37 mi), King
Cove (30 mi), Sand Point (60 mi), and Nelson Lagoon (50
mi). If the eruption intensifies, these towns could expect
light ash fall depending on wind direction and continuing
eruptive activity. Eruptive activity could cause mudflows
and some flooding in the Cathedral River valley north of the
volcano. Airborne ash hazards to aircraft may be
considerable if a large explosive event occurs but are much
less severe during a typical Strombolian phase.
AVO has a seismic network of six stations near the volcano.