Skip to content
Archipelago

    Gulf of AlaskaUnited States

    56°04′N 156°42′W

    Semidi Islands

    The Semidi Islands are a group of islands of the state of Alaska, United States, lying offshore in the Gulf of Alaska. The islands are part of Kodiak Island Borough and are located southwest of Kodiak Island, about halfway between the Alaska Peninsula mainland and Chirikof Island.

    Overview

    The Semidi Islands are a group of islands of the state of Alaska, United States, lying offshore in the Gulf of Alaska. The islands are part of Kodiak Island Borough and are located southwest of Kodiak Island, about halfway between the Alaska Peninsula mainland and Chirikof Island. The largest islands of the group are Aghiyuk Island and Chowiet Island. The island group has a total land area of 30.178 km2 (11.652 sq mi) and is uninhabited. They are part of the Alaska Peninsula unit of the Alaska Maritime National Wildlife Refuge.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands2
    • Minor islands6
    • Islets8
    • Rocks & skerries6

    Major islands

    2

    Minor islands

    6

    Islets

    8
    • Unnamed island60 m · 0.05 km²
    • Unnamed island15 m · 0.02 km²
    • South Island0.02 km²
    • Unnamed island2 m · 0.7 ha
    • Unnamed island0.2 ha
    • Unnamed island0.1 ha
    • Unnamed island9 m · 0.1 ha
    • Unnamed island0.1 ha

    Rocks & skerries

    6
    • 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 level100 m200 m300 m400 m313 mAghiyuk248 mChowiet186 mAnowik150 mKateekuk138 mAghik116 mKiliktagik97 mSuklik95 mAliksemit
    High points by island, metres above sea level.

    Islands by area

    0.00010.0010.010.1110100Chowiet: 13.9 km²ChowietAghiyuk: 12.3 km²AghiyukAnowik: 1.5 km²AnowikKiliktagik: 0.91 km²KiliktagikKateekuk: 0.85 km²KateekukSuklik: 0.27 km²SuklikAghik: 0.24 km²AghikAliksemit: 0.2 km²AliksemitUnnamed island: 0.05 km²Unnamed islandUnnamed island: 0.02 km²Unnamed islandSouth: 0.02 km²SouthUnnamed island: 0.7 haUnnamed islandUnnamed island: 0.2 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed island
    km², log scale
    Chowiet Island13.9 km²
    Aghiyuk Island12.3 km²
    Anowik Island1.5 km²
    Kiliktagik Island0.91 km²
    Kateekuk Island0.85 km²
    Suklik Island0.27 km²
    Aghik Island0.24 km²
    Aliksemit Island0.2 km²
    Unnamed island0.05 km²
    Unnamed island0.02 km²
    South Island0.02 km²
    Unnamed island0.7 ha
    Unnamed island0.2 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

    Sources

    Facts

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