Crater Lake

Crater Lake

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This image is part of the feature Crater Lake

Credit: US GEOLOGICAL SURVEY/SCIENCE PHOTO LIBRARY

Caption: Crater Lake. Coloured 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 metres, this is the deepest US lake. The view is towards the south-east. Land is grey, with water depth colour-coded from purple (deepest), through blue, green and yellow to red (shallowest). Wizard Island (grey, centre right) and Rhyodacite Dome (red, centre) 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.

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Keywords: 3-d, american, basin, bathymetry, caldera, crater lake, gemomorphology, geography, geological survey, geology, mount mazama, oregon, rhyodacite dome, shaded-relief, sonar, three-dimensional, united states, usa, usgs, volcanic, volcano, volcanology, vulcanology, water depth map, wizard island

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