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Brief update on the Cleveland eruption 4 October 2009

Posted by admin in activity reports, Alaska, Cleveland, eruptions, United States.
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Mount Cleveland erupts. Picture taken by Astronaut Jeffrey N. Williams, 7 June 2006. NASA image.
Cleveland erupting in June 2006, photographed by a passing astronaut.

The Alaska Volcano Observatory have issued a further Volcanic Activity Notification for yesterday’s eruption at Cleveland volcano, giving a little more information:

Satellite data indicate that Cleveland volcano erupted briefly this morning at ~0730 UTC (2330 AKDT) 02 October 2009, producing a small, detached ash cloud that drifted northeast of the volcano at maximum altitudes of 15,000′ to 20,000′ (4.5 – 6.1 km) . AVO increased the aviation color code to Orange, and the volcano alert level to Watch at 02:29 AKDT (10:29 UTC) this morning. Satellite views until about 6:45 AKDT (14:45 UTC) show that the ash cloud drifted northeast about 600 km (373 mi) and dispersed over the Bering Sea. While no more events have been detected this morning, further eruptive activity is possible.

The volcano remains at Orange/Watch alert level status at the time of posting.

Cleveland has no real-time seismic monitoring network, so its eruptions are apt to come as a surprise. More Cleveland news here if and when it comes in…

Information
Global Volcanism Program: Cleveland – summary information for Cleveland (1101-24-)
AVO Cleveland Eruption Page – information on current activity at Cleveland
Alaska Volcano Observatory – main page for the AVO

The Volcanism Blog