Kanaga Volcano, or Mount Kanaga, is a

stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...

at the northern tip of Kanaga Island in the

Aleutian Islands The Aleutian Islands ( ; ; , "land of the Aleuts"; possibly from the Chukchi language, Chukchi ''aliat'', or "island")—also called the Aleut Islands, Aleutic Islands, or, before Alaska Purchase, 1867, the Catherine Archipelago—are a chain ...

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

.Alaska Volcano Observatory, Volcano Information -- Kanaga
Retrieved Dec. 16, 2022. It is situated within a

caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcanic eruption. An eruption that ejects large volumes of magma over a short period of time can cause significant detriment to the str ...

, which forms the arcuate Kanaton Ridge south and east of Kanaga. A

crater lake Crater Lake ( Klamath: ) is a volcanic crater lake in south-central Oregon in the Western United States. It is the main feature of Crater Lake National Park and is a tourist attraction for its deep blue color and water clarity. T ...

occupies part of the SE caldera floor. The summit of Kanaga has a crater with fumarolic activity. It is located about 25 km (16 mi) west of the U.S. Navy installation and port on Adak Island. The

volcano A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most oft ...

erupted intermittently through much of 1994, dusting the community of Adak at least once with fine ash. A steam-driven explosion took place at Kanaga on December 18, 2023 after months of elevated seismic activity on the island throughout the year. The current volcanic unrest at Kanaga continues to present day and is being monitored by the

Alaska Volcano Observatory The Alaska Volcano Observatory (AVO) is a joint program of the United States Geological Survey (USGS), the Geophysical Institute of the University of Alaska Fairbanks (UAFGI), and the State of Alaska Division of Geological and Geophysical Surv ...

.Alaska Volcano Observatory, Kanaga Volcano Recent Activity
Retrieved Feb. 6, 2024. Its previous eruption was in February 2012.

Gallery

Image:Kanagaisland.jpg, Aerial photograph of Kanaga Island produced in 1952 by the United States Navy Image:Kanaga iss.jpg, Kanaga Island with Kanaga Volcano seen from space File:Kanaga Volcano, Kanaga Island, Aleutians.jpg, Kanaga Volcano, Kanaga Island, Aleutians File:Kanaga Volcano (22432739869).jpg, Lava flow formed by 1906 eruption of Kanaga Volcano

References

*
Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs

Alaska Volcano Observatory

Gallery

References

See also