Guest Thinkers — September 1, 2010

Mixed results for the Aleutians

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The folks up in Alaska have a lot to watch these days in the Aleutians, with three volcanoes erupting right now. Just a quick update on the current activity:

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Kasatochi: The eruption that started Thursday and produced 45,000 foot ash columns has quieted by Saturday, but there are still moderate (M=5) earthquakes being recorded near the island (above, before eruption).

Okmok: Ash from the month-long eruption is falling on islands near the caldera.

Cleveland: Activity at Cleveland has quieted to the point that no ash column was spotted on Saturday.

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