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Archipelago

    Pacific OceanUnited States

    51°23′N 178°58′W

    Delarof Islands

    Part of Andreanof Islands

    The Delarof Islands (Aleut: Naahmiĝun tanangis; Russian: Острова Деларова) (ca. 51°23′13″N 178°57′47″W) are a group of small islands at the extreme western end of the Andreanof Islands group in the central Aleutian Islands, Alaska.

    Ulak Island, Delarof Islands, Aleutian Islands, Alaska, United States
    Ulak Island, Delarof Islands, Aleutian Islands, Alaska, United States

    Hillebrand, Steve, U.S. Fish and Wildlife Service / Public domain

    Chart

    89 landforms

    Overview

    The Delarof Islands (Aleut: Naahmiĝun tanangis; Russian: Острова Деларова) (ca. 51°23′13″N 178°57′47″W) are a group of small islands at the extreme western end of the Andreanof Islands group in the central Aleutian Islands, Alaska. The Delarofs consist of 11 named islands (from West to East): Amatignak, Unalga (Unalĝa), Tanadak (Tanaadax̂), Ulak, Gareloi, Kavalga (Qavalĝa), Ogliuga (Aglaga), Skagul (Sxaĝulax̂), the Tag (Tagachaluĝis), Ugidak (Qagan-tanax̂), and Ilak. The northern- and southern-most named Delarof Islands are Gareloi Island and Amatignak Island respectively. The islands were named after the 18th century Greek explorer and first de facto Governor of Alaska, Evstratios Ioannou Delarof (Ευστράτιος Ιωάννου Ντελάρωφ). These islands are separated from the remainder of the Andreanofs by Tanaga Pass to the east and from Amchitka and Semisopochnoi (the easternmost of the Rat Islands) by Amchitka Pass to the west. All of these islands are managed as part of the Aleutian Islands Unit of the Alaska Maritime National Wildlife Refuge. The Delarof Islands together have a land area of 63.842 sq mi (165.349 km2). None of the islands are populated. The Delarof Islands were named in 1836 by Captain Fyodor Petrovich Litke of the Imperial Russian Navy. He named them after Greek-born administrator Eustrate Ivanovich Delarof (also spelled Evstratii Ivanovich Delarov), who was the chief manager of the Shelikhov-Golikov Company (precursor of the Russian-American Company) from 1787 to 1791.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands4
    • Minor islands9
    • Islets42
    • Rocks & skerries34

    Major islands

    4
    • Gareloi Island

      Gareloi Island

      Area
      66.8 km²
      High point
      1,530 m

      Gareloi (Russian: Горелый) or Anangusook (Aleut: Anangusix̂) is a volcanic island in the Delarof Islands of the Aleutian Islands of Alaska. It is located between the Tanaga Pass and the Amchitka Pass.

    • Amatignak Island

      Amatignak Island

      Area
      34.2 km²
      High point
      566 m

      Amatignak Island (Aleut: Amatignax̂; Russian: Амактигнак) is a member of the Delarof Islands (western Andreanof Islands), in Alaska's Aleutian archipelago. The southernmost point of Alaska is on this island, as well as the westernmost longitude of Alaska, the United States, and North America.

    • Ulak Island

      Area
      31.3 km²
      High point
      164 m

      Ulak Island (Aleut: Yuulax̂) is an island in the Delarof Islands subgroup of the Andreanof Islands in the Aleutian Islands chain of Alaska.

    • Kavalga Island

      Area
      13.7 km²
      High point
      92 m

      Kavalga Island (Aleut: Qavalĝa) is an island in the Delarof Islands subgroup of the Andreanof Islands in the Aleutian Islands chain of Alaska. The island is 9 km (5.6 mi) long and its highest point is 40 m (130 ft). It is located between the islands of Unalga to the west and Ogliuga to the east.

    Minor islands

    9

    Islets

    42
    • Unnamed island28 m · 0.1 km²
    • Unnamed island8 m · 0.08 km²
    • Unnamed island2 m · 0.06 km²
    • Unnamed island10 m · 0.06 km²
    • Unnamed island1 m · 0.05 km²
    • Unnamed island12 m · 0.04 km²
    • Unnamed island3 m · 0.04 km²
    • Unnamed island5 m · 0.03 km²
    • Unnamed island6 m · 0.02 km²
    • Unnamed island0.02 km²
    • Unnamed island1 m · 0.01 km²
    • Unnamed island1 m · 1 ha

    Rocks & skerries

    34
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha

    Figures

    Comparative heights

    Sea level500 m1,000 m1,500 m2,000 m1,530 mGareloi566 mAmatignak164 mUlak92 mKavalga71 mUnalga55 mIlak25 mSkagul19 mOgliuga10 mTanadak7 mGramp Rock
    High points by island, metres above sea level.

    Islands by area

    0.000010.00010.0010.010.1110100Gareloi: 66.8 km²GareloiAmatignak: 34.2 km²AmatignakUlak: 31.3 km²UlakKavalga: 13.7 km²KavalgaOgliuga: 9.7 km²OgliugaSkagul: 4.4 km²SkagulUnalga: 2.3 km²UnalgaIlak: 1.5 km²IlakUnnamed island: 0.29 km²Unnamed islandTanadak: 0.28 km²TanadakUnnamed island: 0.19 km²Unnamed islandGramp Rock: 0.18 km²Gramp RockUnnamed island: 0.1 km²Unnamed islandUnnamed island: 0.08 km²Unnamed islandUnnamed island: 0.06 km²Unnamed islandUnnamed island: 0.06 km²Unnamed islandUnnamed island: 0.05 km²Unnamed islandUnnamed island: 0.04 km²Unnamed islandUnnamed island: 0.04 km²Unnamed islandUnnamed island: 0.03 km²Unnamed islandUnnamed island: 0.02 km²Unnamed islandUnnamed island: 0.02 km²Unnamed islandUnnamed island: 0.01 km²Unnamed islandUnnamed island: 1 haUnnamed islandUnnamed island: 1 haUnnamed islandUnnamed island: 0.9 haUnnamed islandUnnamed island: 0.9 haUnnamed islandUnnamed island: 0.6 haUnnamed islandUnnamed island: 0.6 haUnnamed islandUnnamed island: 0.5 haUnnamed islandUnnamed island: 0.5 haUnnamed islandUnnamed island: 0.5 haUnnamed islandUnnamed island: 0.4 haUnnamed islandUnnamed island: 0.4 haUnnamed islandUnnamed island: 0.4 haUnnamed islandUnnamed island: 0.4 haUnnamed islandUnnamed island: 0.3 haUnnamed islandUnnamed island: 0.3 haUnnamed islandUnnamed island: 0.3 haUnnamed islandUnnamed island: 0.3 haUnnamed island
    km², log scale. 1 without a known area.
    Gareloi Island66.8 km²
    Amatignak Island34.2 km²
    Ulak Island31.3 km²
    Kavalga Island13.7 km²
    Ogliuga Island9.7 km²
    Skagul Island4.4 km²
    Unalga Island2.3 km²
    Ilak Island1.5 km²
    Unnamed island0.29 km²
    Tanadak Island0.28 km²
    Unnamed island0.19 km²
    Gramp Rock0.18 km²
    Unnamed island0.1 km²
    Unnamed island0.08 km²
    Unnamed island0.06 km²
    Unnamed island0.06 km²
    Unnamed island0.05 km²
    Unnamed island0.04 km²
    Unnamed island0.04 km²
    Unnamed island0.03 km²
    Unnamed island0.02 km²
    Unnamed island0.02 km²
    Unnamed island0.01 km²
    Unnamed island1 ha
    Unnamed island1 ha
    Unnamed island0.9 ha
    Unnamed island0.9 ha
    Unnamed island0.6 ha
    Unnamed island0.6 ha
    Unnamed island0.5 ha
    Unnamed island0.5 ha
    Unnamed island0.5 ha
    Unnamed island0.4 ha
    Unnamed island0.4 ha
    Unnamed island0.4 ha
    Unnamed island0.4 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.3 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha

    Groups within

    1

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Talus
    • Wikipedia

    Photographs