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Kasatochi volcano (Aleutian Islands), activity update: seismic activty and sulphur smell

Thursday Aug 21, 2008 17:54 PM | Age: 4 yrs

It was reported that during 13-19 August seismic activity from Kasatochi was detected by stations on Great Sitkin, about 40 km W. On 17 August, the smell of sulfur was reported in the town of Adak.
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Kasatochi volcano (Aleutian Islands), activity update: major ash explosions
Saturday, Aug 09, 2008
Three major explosive eruptions occured at Kasatochi between approximately 2230 UTC (14:30 AKDT) on 07 August and 0500 UTC on 08 August(2100 AKDT on 0... [more]
Kasatochi volcano (Aleutian Islands, Alaska), eruption news: strong explosive eruption
Friday, Aug 08, 2008
A subplinian or plinian eruption is taking place at Kasatochi volcano, a remote island in the Western Aleutian chain. AVO reports that satellite data ... [more]
Okmok volcano (Aleutian Islands) activity update: continuing strong ash emissions
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]
Okmok volcano (Aleutian Islands, Alaska): mild to moderate ash eruptions
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]
Okmok volcano (Aleutian islands), activity update: ash plume
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]