Bogoslof volcano (Aleutian Islands): eruption last night, ash to 32,000 ft altitude
Tue, 8 Aug 2017, 15:35 | BY: T
Seismic signal of yesterday's eruption at Bogoslof (recorded on MSW station on Makushin volcano about 60 km to the E (AVO)
The eruption began at about 18:00 UTC (10:00 AKDT local time) and was observed by a pilot. It lasted approximately 3 hours. The volcano's Aviation Color Code was again raised to RED.
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Previous news
Wed, 2 Aug 2017, 06:00
Bogoslof volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 2 August-8 August 2017 (Continuing Activity)
AVO reported that during 2-6 August no activity at Bogoslof was observed in mostly cloudy satellite images, and no activity was detected in seismic, infrasound, or lightning data. An explosive eruption began at 1000 on 7 August, following more than an hour of increased seismicity. A pilot reported that an ash cloud rose to an altitude of 9.8 km (32,000 ft) a.s.l., prompting AVO to raise the Aviation Color Code (ACC) to Red and the Volcano Alert Level (VAL) to Warning. ... Read all
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