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COOK INLET VOLCANOES
Seismic activity at Spurr, Augustine, Redoubt and Iliamna
volcanoes remains at normal levels.
Atka Island, Aleutian Islands
Observers in the village of Atka on Atka Island in the central Aleutians reported a very strong sulfur smell on Monday, May 1, and, to a lesser extent, on Thursday, May 4 when they also observed a small plume-like cloud over Kliuchef volcano. Fumarolic areas exist on or near both Korovin and Kliuchef volcanoes north of the village; Korovin has been historically active ( most recent eruption in 1987) and Kliuchef has had Holocene activity. Examination of satellite images this past week did not reveal and plume-like clouds associated with the island; however, a "hot-spot", possibly one of the fumarolic areas, was observed. Sulfur smells have been reported before in Atka but those of May 1 were regarded as particularly strong.
The Alaska Volcano Observatory continues to seismically
monitor Spurr, Augustine, Redoubt and Iliamna volcanoes.
We maintain a computerized alarm system that is capable of
notifying AVO seismologists during nonbusiness hours,
should unusual seismic activity occur.