Bogoslof volcano (Aleutian Islands): new strong explosion, ash plume to at least 31,000 ft altitude
Thu, 19 Jan 2017, 00:00 | BY: T
Trace of the recent explosion at Bogoslof on AVO's OKRE seismic station (on the northern flank of Okmok volcano approx. 50 km to the south)
The Alaska Volcano Observatory noticed an increase in seismic activity from around 13:00 AKST local time (22:00 UTC). Two hours later, pilots confirmed that an explosive eruption produced a plume that rose to at least flight level 310 (31,000 ft or 9.5 km altitude) and has been drifting northeast.
The Aviation Color Code was again raised to RED and the Alert Level of the volcano to WARNING.
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Previous news
Wed, 18 Jan 2017, 06:00
Bogoslof volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 January-24 January 2017 (New Activity / Unrest)
AVO reported that an explosive event at Bogoslof began at about 1320 on 18 January, generating an ash plume that rose at least to an altitude of 9.4 km (31,000 ft) a.s.l. and drifted NE. The dark (ash-rich) plume was identified in satellite images and observed by a pilot, and produced lightning strikes and infrasound signals detected by sensors in Sand Point and Dillingham. ... Read all
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