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Galeras alert level reduced 28 November 2009

Posted by admin in activity reports, Colombia, Galeras.
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The alert level for Galeras volcano in southern Colombia, which erupted on 20th November, has been reduced from level II Orange to level III Yellow, on a scale of I-IV, where I is the highest. The latest INGEOMINAS bulletin reports ‘continuing low levels of seismicity’ with an absence of the seismic signals which in the past have signalled the run-up to an eruption.

During the overflight of Galeras carried out on 26 November (which ended so tragically) gas emissions were observed from the edges, internal walls and areas of the floor of the principal crater, and thermal anomalies were detected with temperatures reaching 200° C.

For all our Galeras coverage: Galeras « The Volcanism Blog.

Information
Global Volcanism Program – Galeras – summary information for Galeras (1501-08=)
Portal Corporativo de INGEOMINAS – Instituto Colombiano de Geología y Minería
Observatorio Vulcanológico y Sismológico de Pasto – Pasto volcanological observatory main page

The Volcanism Blog