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Global Volcanism Program | Image GVP-06660

Mount Konocti, a composite dacitic volcano, rises above the southern shore of Clear Lake.  The arcuate escarpment facing the lake on the the NW-most peak, Buckingham Peak (right), is a landslide scarp produced when part of the dome collapsed.  A series of maars cuts the southern shore of Clear Lake, giving it a scalloped shoreline.  Clear Lake itself, the largest natural freshwater lake entirely within California, is an elongated, irregular body of water more than 30 km long.  It has a volcano-tectonic origin. Photo by Lee Siebert, 1997 (Smithsonian Institution).

Mount Konocti, a composite dacitic volcano, rises above the southern shore of Clear Lake. The arcuate escarpment facing the lake on the the NW-most peak, Buckingham Peak (right), is a landslide scarp produced when part of the dome collapsed. A series of maars cuts the southern shore of Clear Lake, giving it a scalloped shoreline. Clear Lake itself, the largest natural freshwater lake entirely within California, is an elongated, irregular body of water more than 30 km long. It has a volcano-tectonic origin.

Photo by Lee Siebert, 1997 (Smithsonian Institution).

Creative Commons Icon This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.


Clear Lake Volcanic Field