Bogoslof volcano (Aleutian Islands): new explosion might have occurred short time ago
Thu, 12 Jan 2017, 21:09 | BY: T
Seismic signal MSW station (on Makushin 60 km to the east from Bogoslof)
Photo of Bogoslof Island taken by Dan Leary of Maritime Helicopters on 10 January 2017. View is to the northwest and the active vent is likely submarine and in the center of the turbid bay open to the southeast. (AVO)
Tremor started to rise at about 20:23 UTC (11:23 local time AKST) and persisted at a high level until about 20:29 UTC (11:29 AKST).
According to AVO, "previous increases in seismicity similar to this one have resulted in volcanic plumes as high as about 30,000 feet asl. Nothing yet has been observed in satellite data and lightning has not been detected but a plume likely has been generated.
"It remains possible for additional ash-producing eruptions to occur at any time with limited precursory unrest and little warning. AVO is monitoring the volcano closely and will provide additional information if and when it becomes available."
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Previous news
Wed, 11 Jan 2017, 06:00
Bogoslof volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 January-17 January 2017 (New Activity / Unrest)
AVO reported that photos taken by a pilot on 10 January showed Bogoslof covered with dark gray ash, and a roughly 300-m-diameter submarine explosion crater on the E side of the island. Unrest continued during 11-17 January. Two short-lived explosions (five to six minutes long) were seismically detected at 1123 and 1230 on 12 January and observed by pilots. ... Read all
Mon, 9 Jan 2017, 10:23
Bogoslof volcano (Aleutian Islands): another strong explosion last night
The series of strong explosions at the volcano continues. ... Read all
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