Index map showing the location of the Katmai group volcanoes relative to the State of Alaska and other seismically monitored Alaskan volcanoes. Figure modified from Adleman, Jennifer, 2002, The great eruption of 1912: National Park Service Alaska Park Science Winter 2002, Anchorage, AK, http://www.arlis.org/docs/vol1/52558645/52558645v1no1.pdf , p. 4-11.
Image courtesy of the AVO/ADGGS.
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