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U.S. Geological Survey
Photograph - Photograph
Crater Lake. Colored three-dimensional shaded-relief water depth map of Crater Lake, Oregon, which lies in a volcanic crater, or caldera. The map was created from over 50 million sonar depth readings. At 608 meters, this is the deepest US lake. The view is towards the south-east. Land is grey, with water depth color-coded from purple (deepest), through blue, green and yellow to red (shallowest). Wizard Island (grey, center right) and Rhyodacite Dome (red, center) are volcanic cones. The caldera formed when the volcano Mount Mazama blew itself apart 7700 years ago. The data were collected from July 2000. The image's vertical exaggeration is x2.
March 6th, 2013
Viewed 16 Times - Last Visitor from Redwood City, CA on 07/09/2014 at 12:35 PM
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