(A) August 2004 view to the north showing the long-lived fumarole field on the north flank of Chiginagak volcano. The fumarole field is located between ~1,600 to 1,800 feet in elevation. Photograph by Janet Schaefer, August 24, 2004 (AVO image database URL: https://www.avo.alaska.edu/images/image.php?id=1081 ). (B) View to the south on September 29, 2014, showing the same fumarole field with an expanded region of warm ground and new point source fumaroles lower down the flank. Photo by Robert Dreeszen, used with permission. (AVO image database URL: https://www.avo.alaska.edu/images/image.php?id=68051 ).
Image courtesy of the AVO/ADGGS.
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