Katmai National Park and Preserve, Alaska, United States
Parent range
Aleutian Range
Topo map
USGS Mount Katmai B-3
Geology
Mountain type
Stratovolcano
Volcanic arc/belt
Aleutian Arc
Last eruption
June to July 1912[2]
Climbing
Easiest route
Basic snow/ice climb
Mount Katmai (Russian: Катмай) is a large active stratovolcano (composite volcano) on the Alaska Peninsula in southern Alaska, located within Katmai National Park and 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 6,716 feet (2,047 m). In 1975 the surface of the crater lake was at an elevation of about 4,220 feet (1,286 m), and the estimated elevation of the caldera floor is about 3,400 ft (1,040 m). The mountain is located in Kodiak Island Borough, very close to its border with Lake and Peninsula Borough.
The volcano has caused ten known fatalities due to gas exposure.
^Peakbagger.com, Mount Katmai, Alaska, Retrieved Jan. 6, 2023.
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