Andreanof Islands(redirected from Andreanof Islands (Alaska))
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Andreanof Islands:see Aleutian IslandsAleutian Islands
, chain of rugged, volcanic islands curving c.1,200 mi (1,900 km) west from the tip of the Alaska Peninsula and approaching Russia's Komandorski Islands.
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the central group in the Aleutian Archipelago, between Amukta Pass and Amchitka Pass. The Andreanof Islands are part of the US state of Alaska. They are approximately 450 km long; there are 46 volcanic islands and numerous low cliffs. The largest islands are Atka and Adak. There are eight active volcanoes on the Andreanof Islands. The highest point is Tanaga Volcano (1,806 m). Vegetation consists of subarctic grassland and heath tundra. Arctic foxes are numerous. Cod and flatfish are found in the coastal waters. The Andreanof Islands were discovered and first described in 1760–64 by the Russian navigator Andrean Tolstykh.