FIRE-EARTH Volcano Alert: NRF2
Posted by feww on December 4, 2016
CJ Members
FIRE-EARTH Volcano Alert: NRF2
- Details of the Alert are available from FIRE-EARTH PULSARS.
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BHW said
Volcano: Bogoslof
Current Color Code: RED
Volcano Location: N 53 deg 55 min W 168 deg 2 min
Area: Aleutians
Source: Alaska Volcano Observatory https://www.avo.alaska.edu/
A short-lived explosive eruption of Bogoslof volcano was reported by several pilots around 0100 UTC (4:00 pm AST). They reported a volcanic ash cloud rising to an estimated altitude of 34,000 ft (10.3 km). Satellite data show a discrete, short-lived explosion just prior to 0100 UTC that detached and drifted to the south by 0115 UTC. A subsequent pilot report from 0150 UTC indicated that activity had decreased.
Volcanic cloud height: 34,000 ft [based on pilot report.]
Aerial view, looking south, of Bogoslof Island, which is the summit of a largely submarine stratovolcano located in the Bering Sea 50 km (31 mi) behind the main Aleutian volcanic arc. The island is about 1.5x 0.6 km (1 x 0.4 mi) and, due to energetic wave action and frequent eruptive activity, it has changed shape dramatically since first mapped in the late 1700’s. Its most recent eruption, in 1992, produced the conical, rubbly lava dome (150 m [492 ft] high)and offshore spire at bottom center. Photograph by T. Keith, U.S. Geological Survey, May 10, 1994.
Date: May 10, 1994
Photographer/Creator: Keith, T. E. C.
URL: http://www.avo.alaska.edu/images/image.php?id=485
Additional image at:
https://www.avo.alaska.edu/images/image.php?id=41292
Nick W. said
Shiveluch volcano in Russia’s Kamchatka Territory has spewed ash 11,000 meters (36,000 feet) a.s.l., the Russian Emergencies Ministry in Kamchatka said in a statement.
“The height of the ash plume was up to 11,000 meters above sea level. The height of the volcano is 3,200 meters” according to the statement released on Saturday, local media reported.
The massive 70,000 year-old Shiveluch is one of the two largest and most active volcanoes in Kamchatka Peninsula.