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Ash Venting at Soufriere Hills Volcano, Montserrat
From: "Paul Cole" <paul@xxxxxx>
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Activity at Soufriere Hills Volcano has remained at an increased level. There has been two further vigorous "ash venting" events: one at around 10:35 am, lasting 20 minutes, and a second at 1:25 pm, which lasted 10 minutes. A pilot reported that the first event sent an ash plume to 12,000 ft and the second event reached to between 10,000 and 15,000 ft. The event this morning had a clear pulsating roaring sound associated with it. Thunder was also associated with this event.
Ash fall associated with both events drifted west-northwest and was largely confined to the south of inhabited areas.
There were no precursory signals associated with either of these two "ash venting" events today, demonstrating that activity frequently occurs without any warning.
There was no evidence of pyroclastic flows associated with either of the events today, or during yesterday?s activity. However larger explosions or events associated with pyroclastic flows are possible. Further similar ?ash venting? episodes are likely in the coming days and ash fall could occur within inhabited areas.
The Montserrat Volcano Observatory (MVO) continues to monitor the situation closely. For more information please listen for announcements on ZJB radio or visit the MVO website: http://www.mvo.ms/
Paul Cole
Director
Montserrat Volcano Observatory
Director
Montserrat Volcano Observatory
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