Lake filled caldera of Kaguyak, August 1982.
|Elevation||2,956 ft (901 m)|
|Location||Katmai National Park and Preserve, Alaska Peninsula, U.S.|
|Parent range||Aleutian Range|
|Volcanic arc/belt||Aleutian Arc|
|Last eruption||3850 BCE|
Mount Kaguyak is a stratovolcano located in the northeastern part of the Katmai National Park in Alaska. The 2.5 km wide caldera is filled by a more than 180 m deep crater lake. The surface of the crater lake lies about 550 m below the rim of the caldera. Postcaldera lava domes form a prominent peninsula in the center of the lake. The volcano is 901 m high and hosts a spectacular view because it rises from lowland areas near sea level in the south of the Big River. Based on radiocarbon dating the caldera-forming eruption occurred about 5800 years before present. During this eruption at least 120 square kilometers were covered in a dacitic ignimbrite.
- "Kaguyak". Global Volcanism Program. Smithsonian Institution.
- Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs
- Alaska Volcano Observatory
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