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LEVEL OF CONCERN COLOR CODE: RED
LAST LEVEL OF CONCERN: ORANGE
Seismic information indicates that the ongoing eruption at Pavlof Volcano strengthened considerably at about 0600 UTC (about 10:00 pm ADT). The possibility now exists that an eruption plume may extend to more than 25,000 feet above sea level and present a hazard to aircraft. The weather in the area is poor and the volcano is mostly obscured by clouds. No visual or satellite observations of an ash cloud have been reported. AVO will continue to monitor the volcano closely and issue further Updates as the situation warrants.
The nearest towns to the volcano are Cold Bay (37 mi),
King Cove (30 mi), Sand Point (60 mi), and Nelson Lagoon
(50 mi); 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 much less severe during a
typical Strombolian phase.
AVO has a seismic network of six stations near the volcano.