Bering SeaUnited States
52°53′N 169°48′W
Islands of Four Mountains
Part of Aleutian Islands
The Islands of Four Mountains (Russian: Четырёхсопочные острова) 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.
Chart
Overview
The Islands of Four Mountains (Russian: Четырёхсопочные острова) 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 to the west, and Samalga Pass and the Fox Islands to the east. These islands have a total land area of 210.656 sq mi (545.596 km2) and have no permanent population. The two largest islands are Yunaska and Chuginadak. Chuginadak is mainly made up of the active volcano Mount Cleveland. The name is translated from Russian Четырехсопочные Острова (Ostrova Chetyre Soposhnye) meaning "Islands of Four Volcanoes" (Sarichev, 1826, map 3). The early Russian explorers named the islands by this term because of four prominent volcanoes, each located on a separate island. The Aleut name Unigun (Uniiĝun in the modern Aleut orthography) was reported in 1940 by Father Veniaminov. There appears to be confusion regarding the names of these islands, possibly because only four of the five are on most early maps and charts. The present names were gathered in 1894 by a field party from USS Concord and published in 1895 by the U.S. Navy Hydrography Office (Chart 8). This is the first island in the Aleutian time zone, 1 hour behind Alaska with daylight saving time as of 2010.
From Wikipedia, CC BY-SA 4.0
Census, cataloged
- Major islands3
- Minor islands0
- Islets1
- Rocks & skerries1
Major islands
Chuginadak Island
- Area
- 167 km²
- High point
- 1,730 m
Chuginadak Island (Aleut: Tanax̂ Angunax̂; Russian: Чугинадак) is the largest island in the Islands of Four Mountains subgroup of the Aleutian archipelago. Chuginadak is an Aleutian name published by Captain Tebenkov in an 1852 map. " The Western half of the island is called Chuginadax in Aleut, meaning 'simmering'.
Kagamil Island
- Area
- 42.2 km²
- High point
- 709 m
9 km) south of Uliaga Island. 0 km) in width. The southern half of the island is dominated by the Kagamil Volcano, which has two summits: one is 2,930 feet (890 m) above sea level, while the other is lower at 2,260 feet (690 m).
Carlisle Island
- Area
- 41 km²
- High point
- 1,620 m
Mount Carlisle is a stratovolcano in Alaska which forms part of the 5 mile (8 km) wide Carlisle Island, one of the Islands of Four Mountains which, in turn, form part of the central Aleutian Islands.
Islets
- Unnamed island7 m · 0.03 km²
Rocks & skerries
- Corwin Rock16 m · 0.02 km²
Also in the area
Inside the group's outline but not confirmed as members by any source.
- Yunaska Island950 m · 172 km²
- Herbert Island1,300 m · 54 km²
- Amukta1,066 m · 49.6 km²
- Uliaga Island859 m · 8.9 km²
- Chagulak Island1,142 m · 8.3 km²
- Unnamed island8 m · 0.01 km²
- Unnamed island1 m · 0.2 ha
- Unnamed island<0.1 ha
Figures
Comparative heights
- Chuginadak: 1,730 m
- Carlisle: 1,620 m
- Herbert: 1,300 m
- Chagulak: 1,142 m
- Amukta: 1,066 m
- Yunaska: 950 m
- Uliaga: 859 m
- Kagamil: 709 m
- Corwin Rock: 16 m
To the same scale
Islands by area
| Yunaska Island | 172 km² |
| Chuginadak Island | 167 km² |
| Herbert Island | 54 km² |
| Amukta | 49.6 km² |
| Kagamil Island | 42.2 km² |
| Carlisle Island | 41 km² |
| Uliaga Island | 8.9 km² |
| Chagulak Island | 8.3 km² |
| Unnamed island | 0.03 km² |
| Corwin Rock | 0.02 km² |
| Unnamed island | 0.01 km² |
| Unnamed island | 0.2 ha |
| Unnamed island | <0.1 ha |
Photographs
Herbert Island, Aleutian Islands
![Islands of Four Mountains [1]](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Islands_of_Four_Mountains.jpg/500px-Islands_of_Four_Mountains.jpg)
Islands of Four Mountains [1]


A U.S. Navy Douglas R4D Skytrain flies past a volcano in the Aleutians on its way to Attu. The volcano is described as "Carolio" which does not exist. It is most probably Mount Carlisle.


Unknown authorUnknown author or not provided / Public domain



Sources
Facts
Photographs
- Aleuten-Herbert-Island. NASA / Public domain
- Islands of Four Mountains. Bailey, Ed - U.S. Fish and Wildlife Service / Public domain
- Umnak oli 2014123 lrg. NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. Geological Survey. Story by Mike Carlo / Public domain
- Douglas R4D flies past Aleutian volcano c1943. U.S. Navy / Public domain
- ISS-38 Islands of the Four Mountains. NASA / Public domain
- Aleutian Island - Kagamil Island - NARA - 68154472 (page 1). Unknown authorUnknown author or not provided / Public domain
- Aleutian wave clouds 29 September 2016. NASA / Public domain
- CHIMMO(1860) p293 ALEOUTIAN GROUP. Unknown author / Public domain
- Umnak oli 2014123 lrg (cropped to Four Mountains). NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. Geological Survey. Story by Mike Carlo / Public domain