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Bogoslof volcano
Submarine volcano 150 m / 492 ft
United States, Aleutian Islands, 53.93°N / -168.03°W
Current status: normal or dormant (1 out of 5)
Bogoslof webcams / live data | Reports
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Bogoslof volcano eruptions:
2016-17, 1992, 1951 (?), 1931 (?), 1926-28, 1913, (?), 1909-10, 1908 (?), 1907, 1906, 1883, 1806, 1786
Typical eruption style:
explosive
Last earthquakes nearby
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Bogoslof volcano news & activity updates:

Bogoslof volcano (Aleutian Islands): large explosive eruption early on 24 June, ash to 36,000 ft altitude

Saturday Jun 24, 2017 08:45 AM | BY: T

Seismic signal of this morning's eruptions at Bogoslof (recorded on MSW station on Makushin volcano about 60 km to the E (AVO)
Seismic signal of this morning's eruptions at Bogoslof (recorded on MSW station on Makushin volcano about 60 km to the E (AVO)
Model an ash plume from Bogoslof as of this morning (AVO)
Model an ash plume from Bogoslof as of this morning (AVO)
After a calmer period of approx. 10 days, another significant and quite large explosive eruption occurred at the volcano earlier today (yesterday afternoon local time).
The main pulse of the eruption which lasted about 10 minutes began at 00:49 UTC (16:49 local time) this morning and generated an ash and steam plume that quickly rose to 36,000 ft (12 km) altitude as pilots reported that were en route in the area and saw the cloud.
The ash plume moved east, passing over Akutan and the North Pacific Ocean before dissipating. No ash falls were reported from ground locations.
After the main explosion, 4 additional minor events occurred at 3:18-3:24 UTC, 4:13-4:21 UTC, 5:04-5:12 and 5:52-5:55 UTC. Due to cloud cover, there were no direct observations, meaning that the additional ash plumes did not reach more than 28-30,000 ft altitude.
The Aviation Color Code of Bogoslof was raised to RED. The volcano observatory (AVO) mentions that the "volcano remains at a heightened state of unrest and in an unpredictable condition. Additional explosions producing high-altitude volcanic clouds could occur at any time."
Previous news
Saturday, Jun 24, 2017
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
Photo of Bogoslof Island, June 11, 2017. Photo taken from an Alaska Airlines jet enroute to Adak (image: Cyrus Read, USGS/AVO)
Tuesday, Jun 13, 2017
After a pause about approx. 2 days with little detected activity since the large explosion on 10 June, a new series of relatively strong explosions began early today at 1:47 UTC 13 June (17:47 local time AKDT June 12). At least two larger pulses of activity occurred, each lasting 10-30 minutes and producing ash plumes up to 25,000 ft (7.5 km) altitude that dissipated within 30 minutes. ... [more]
Tuesday, Jun 13, 2017
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
Sunday, Jun 11, 2017
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]
Sunday, Jun 11, 2017
An explosive eruption occurred from about 3:18 to 5:28 local time AKDT (11:18 to 13:28 UTC) on 10 June. This sequence began with a series of short infrasound signals and then, starting at about 4:16 AKDT (12:16 UTC), transitioned into several minutes-long continuous seismic and infrasound tremor signals. ... [more]

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