This figure shows the growth of the Spurr summit ice cauldron from July 2004 through March 2006. The top panel shows the outline of the cauldron through time in a map view, and the lower panel plots the cauldron area versus time. Note that the cauldron has not changed appreciably in size since early August, 2005.
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
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