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Kasatochi volcano (Aleutian Islands, Alaska), eruption news: strong explosive eruption

Friday Aug 08, 2008 07:46 AM | Age: 4 yrs

A subplinian or plinian eruption is taking place at Kasatochi volcano, a remote island in the Western Aleutian chain. AVO reports that satellite data show an ash plume to an altitude of at least 35,000 ft. in the vicinity of Kasatochi Volcano 22:30 UTC (14:30 ADT) on Aug. 7th, 2008. The plume is drifting to the south-southwest.
AVO is monitoring this situation closely and has its operations room staffed 24 hours per day. More information about activity at Kasatochi Volcano can be found on the AVO web site at www.avo.alaska.edu.
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Links / Sources:
  • AVO web site: www.avo.alaska.edu
Previous news
View of Okmok's ash plume emitting from multiple vents near intracaldera Cone D, taken at about 1:30 pm on August 3, 2008 by Jessica Larsen.
Tuesday, Aug 05, 2008
Ash emissions emitting plumes reaching several kilometers height continue at Okmok volcano. [more]
Thursday, Jul 24, 2008
On 19 July, activity at Okmok increased as interpreted from seismicity. Possibly, ash plumes rose to altitudes of 7.6-9.1 km (25,000-30,000 ft)... [more]
image showing the extent of the sulfur dioxide gas cloud from the eruption of Okmok Volcano. The large red mass is from the main explosive phase on 12 July at 2130 UTC and is at an estimated height of 50,000 ft above sea level. The north-south dimension of this cloud is about 850 miles. Current emissions from the volcano are at a lower altitude of approximately 30,000 to 35,000 feet. Other OMI data (not shown) indicate that volcanic ash is mixed with the sulfur dioxide cloud.
Wednesday, Jul 16, 2008
Okmok Volcano continues to erupt. Seismicity, though below this weekend's intensity, has remained steady over the last 24 hours. Satellite data contin... [more]
Monday, Jul 14, 2008
The strong eruption at Okmok continues based on ongoing seismic activity and satellite observations. Ash emissions continue reaching altitudes of 30,0... [more]
Sunday, Jul 13, 2008
A large explosive eruption at Okmok volcano began at approximately 11:43 AM local time on July 12 and continues. An ash cloud with a top of at least 3... [more]