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Alert levels lowered at Galeras and Cleveland 8 October 2009

Posted by admin in activity reports, Alaska, Cleveland, Colombia, Galeras, United States.
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Following the recent bursts of activity at Alaska’s Cleveland volcano and Galeras volcano in Colombia, things have quietened down and the alert levels for both volcanoes have been reduced by their respective observatories.

At Galeras, the INGEOMINAS Observatorio Vulcanológico y Sismológico de Pasto lowered the alert level to Yellow, ‘ Changes in the behaviour of the volcanic activity’, on 6 October. The level had already been lowered from Red to Orange on 1 October, following the eruption of 30 September.

Meanwhile, the 2 October eruption of Cleveland volcano on the Aleutian island of Chuginadak caused the Alaska Volcano Observatory to raise the alert level to Orange/Watch. There has been no eruptive activity since that brief outburst, and the AVO lowered the alert level to Yellow/Advisory on 5 October.

Global Volcanism Program – Galeras – summary information for Galeras (1501-08=)
Observatorio Vulcanológico y Sismológico de Pasto – Pasto volcanological observatory main page
Global Volcanism Program: Cleveland – summary information for Cleveland (1101-24-)
AVO Cleveland Eruption Page – information on current activity at Cleveland

The Volcanism Blog

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