Chuginadak Island is the largest island in the Islands of Four Mountains

Islands of Four Mountains

Islands of Four Mountains is an island grouping of the Aleutian Islands in Alaska, United States. The chain includes, from west to east, Amukta, Chagulak, Yunaska, Herbert, Carlisle, Chuginadak, Uliaga, and Kagamil Islands. This island chain is located between Amukta Pass and the Andreanof Islands...

 subgroup of the Aleutian archipelago. Chuginadak is an Aleutian name published by Captain Tebenkov in an 1852 map. According to Knut Bergsland

Knut Bergsland

Knut Bergsland was a Norwegian linguist. Working as a professor at the University of Oslo from 1947 to 1981, he did groundbreaking research in Uralic and Eskimo–Aleut languages.-Career:...

's Aleut Dictionary, the Aleutian word "chugida-lix" means "to fry, to make sizzle." The Western half of the island is called Chuginadax in Aleut

Aleut language

Aleut is a language of the Eskimo–Aleut language family. It is the heritage language of the Aleut people living in the Aleutian Islands, Pribilof Islands, and Commander Islands. As of 2007 there were about 150 speakers of Aleut .- Dialects :Aleut is alone with the Eskimo languages in the...

, meaning 'simmering'.

The island is approximately 14 by long and the currently active Mount Cleveland

Mount Cleveland (Alaska)

Mount Cleveland is a nearly symmetrical stratovolcano on the western end of Chuginadak Island, a remote landmass in the Aleutian Islands of Alaska. Cleveland is high, and one of the most active of the 75 or more volcanoes in the larger Aleutian Arc...

stratovolcano forms the entire western half of the land mass. A narrow strip of land separates the volcano from the rugged and lower Eastern side of the island.

The only major geographical place is Applegate Cove (2.5 miles across) (Chuguuĝix̂) on the Northern coast. The cove was named for Samuel Applegate, USC&GS, who commanded the schooner Nellie Juan during a survey of this area in the 1880s.