In early June, 1992, this lake inside Crater Peak vent at Mount Spurr volcano had a temperature of 49.7C (121F) and a pH of 2.5. Note a circular upwelling zone about 5 m (16 ft) across at the middle right, and the vigorously steaming talus pile on the far shore. Photograph by Game McGimsey, U.S. Geological Survey, June 11, 1992.
Date: Jun 11th, 1992
Volcano(es): Spurr
Photographer: McGimsey, R. G.
URL: avo.alaska.edu/image/view/313
Credit: Image courtesy of AVO / U.S. Geological Survey.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory/U.S. Geological Survey when using this image.
Full Resolution.
Volcano(es): Spurr
Photographer: McGimsey, R. G.
URL: avo.alaska.edu/image/view/313
Credit: Image courtesy of AVO / U.S. Geological Survey.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory/U.S. Geological Survey when using this image.
Full Resolution.
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