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Archipelago

    Semisopochnoi Island

    Unyax, Isla Semisopochnoi

    51°57′N 179°38′E

    Semisopochnoi Island or Unyak Island (obsolete Russian: Семисопочной, modern Russian: Семисопочный Semisopochny – "having seven hills"; Aleut: Unyax̂) is part of the Rat Islands group in the western Aleutian Islands of Alaska. The island is uninhabited and provides an important nesting area for maritime birds.

    View of Alaska taken during ISS Expedition 20.
    View of Alaska taken during ISS Expedition 20.

    Earth Science and Remote Sensing Unit, Lyndon B. Johnson Space Center / Public domain

    Terrain

    51°57′N 179°38′E

    Terrain exaggerated for relief. Drag to look around.

    Overview

    Semisopochnoi Island or Unyak Island (obsolete Russian: Семисопочной, modern Russian: Семисопочный Semisopochny – "having seven hills"; Aleut: Unyax̂) is part of the Rat Islands group in the western Aleutian Islands of Alaska. The island is uninhabited and provides an important nesting area for maritime birds. The island is of volcanic origin, containing several volcanoes including Mount Young. It has a land area of 85.558 square miles (221.59 square km), measuring 11 miles (18 km) in length and 12 miles (20 km) in width. At 179°46' East (+179.7667) (in the Eastern Hemisphere), the easternmost tip of Semisopochnoi is, by longitude, the easternmost land location in the United States and North America. Semisopochnoi is located 14 minutes (0.2333 degrees) or 9.7 miles (15.6 km) west of the 180th meridian.

    From Wikipedia, CC BY-SA 4.0

    Chart

    Nearest islands

    Also in Rat Islands

    Also in Aleutian Islands

    Also in Pacific Islands

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    • Hokkaido

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      Minor islands

    • Sakhalin

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      Minor islands

    Sources

    Facts

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

    Photographs