Mount Katmai
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Mount Katmai is a large dormant stratovolcano on the Alaska Peninsula in southern Alaska, located within Katmai National Park and Preserve. It is about 6.3 miles in diameter with a central lake-filled
Mount Katmai and its crater lake in September 1980
Novarupta
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Novarupta is a volcano located on the Alaska Peninsula on a slope of Trident Volcano in Katmai National Park and Preserve, about 290 miles southwest of Anchorage. Novarupta was formed in 1912, during
Mount Katmai
…Preserve. It is about 6.3 miles (10 km) in diameter with a central lake-filled caldera about two by three miles (3.2 by 4.8 km) in size, formed during the Novarupta eruption of 1912. The caldera rim reaches a maximum elevation of 6,715 feet (2,047 m). In 1975 the surface of the crater lake was at an elevation of…
Novarupta's lava dome in June 2011
The 1912 eruption resulted in Mount Katmai losing a cubic mile of its summit. This photo shows Mount Katmai in 1913.
Colorful ash in the Valley of Ten Thousand Smokes