High resolution satellite image of the summit crater of Kanaga Volcano from January 14, 2012. This image shows no obvious surface evidence of volcanic unrest 5 weeks before AVO detected possible explosions on February 18. A likely fumarole in the crater emits a faint trace of steam.
Image courtesy of AVO/USGS and NGA. WorldView-2 image copyright 2012 Digital Globe, Inc.
Please cite the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
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