Martin summit crater, in Katmai National Park.  The vigorous fumaroles at Martin and nearby Mageik have often been mistaken for volcanic eruptions.

Martin summit crater, in Katmai National Park. The vigorous fumaroles at Martin and nearby Mageik have often been mistaken for volcanic eruptions.

Date: Aug 26th, 2006
Volcano(es): Martin
Photographer: Read, Cyrus
URL: avo.alaska.edu/image/view/10962
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.