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Eruptive activity continues to be reported at Veniaminof Volcano. Pilots from commercial airlines today reported observing a low ash cloud reaching nearly a thousand feet above the volcano while intermittent venting of black ash continued from the central cone. Observers in nearby Perryville reported seeing clouds of black "smoke" spurt from the summit of the volcano beginning Friday, July 30, 1993, and continuing through Sunday. A small eruption plume was observed on satellite imagery by the National Weather Service on Friday, but none was seen on Saturday, Sunday, or today.
At the present time, the exact nature of the volcanic activity at Veniaminof Volcano is unknown, although it is likely to be similar to previous historic eruptions, e.g., the 1983-84 event. If this type of activity were to continue, occasional ash falls are possible at Perryville and pilots should be aware of ash clouds at elevations generally not exceeding 20,000 feet.
The U.S. Coast Guard on Saturday, July 31, 1993, reported a lava and ash eruption at Seguam Volcano. No new information has come in regarding a continuation of Saturday's activity. Seguam was most recently active in May 1993.