View from Mount Katmai of Novarupta lava dome (dark, rounded feature in center), which is surrounded by (clockwise from upper left) Falling, Baked, and Broken Mountains. The Valley of Ten Thousand Smokes (upper right), Katmai National Park and Preserve, Alaska, was created by the 1912 eruption of Novarupta volcano. Photograph by C. Nye, Alaska Division of Geological and Geophysical Surveys, August, 1991.
Credit: Image courtesy of AVO / Alaska Division of Geological & Geophysical Surveys.