View southeast up the Valley of Ten Thousand Smokes from the Overlook Cabin in Katmai National Park and Preserve, Alaska. The valley has been filled with up to 200 m (660 ft) of ash-flow deposits from the 1912 eruption of Novarupta volcano. The rim of Katmai Caldera is on the skyline at left. Photograph by Game McGimsey, U.S. Geological Survey, June 8, 1991.
Credit: Image courtesy of AVO / U.S. Geological Survey.