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IMAGE 36172
AVO Image

Landsat ETM+ false color image (30-m-resolution) showing the hot crater at the summit of Cleveland Volcano poking through thick clouds on 07 August 2011. The thermal feature is caused by a small lava dome that was extruded sometime after July 7 when the last clear view of the summit area was acquired. The formation of a lava dome is consistent with observed thermal anomalies seen since July 19, 2011 suggesting that the dome extruded since that time. The green outline is the coastline of Chuginadak Island. The black stripes represent data gaps in the Landsat ETM+ data caused by component failure in May 2003.

Date: August 7, 2011 10:05 PM utc
Photographer/Creator: Wessels, Rick

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Image courtesy of AVO/USGS.
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