Skip to content
Archipelago

    Pacific OceanUnited States

    27°48′N 175°51′W

    Pearl and Hermes Atoll

    Part of Northwestern Hawaiian Islands

    The Pearl and Hermes Atoll (Hawaiian: Holoikauaua), also known as Pearl and Hermes Reef, is part of the Northwestern Hawaiian Islands, a group of small islands and atolls that form the farthest northwest portion of the Hawaiian island chain.

    Chart

    12 landforms

    Overview

    The Pearl and Hermes Atoll (Hawaiian: Holoikauaua), also known as Pearl and Hermes Reef, is part of the Northwestern Hawaiian Islands, a group of small islands and atolls that form the farthest northwest portion of the Hawaiian island chain. The atoll consists of a variable number of flat and sandy islets, typically between five and seven. More were noted in historical sources but have since been lost to erosion and rising sea levels. The atoll is named after Pearl and Hermes, a pair of English whaleships that wrecked there in 1822. It has been the site of at least eight known shipwrecks, including the Japanese Wiji Maru, SS Quartette, and most recently MV Casitas, which ran aground on the reef in 2005. The atoll is an important habitat for seabirds, marine life, and invertebrate species. Twenty-two bird species nest and breed on the islands, including twenty percent of the world's population of black-footed albatrosses. The atoll has historically been included with the rest of the Northwestern Hawaiian Islands in conservation efforts. It is included in the Papahānaumokuākea Marine National Monument, created in 2006. Ghost nets and other fishing debris, rising sea levels, and the invasive algae Chondria tumulosa pose a significant risk to the atoll and its wildlife.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands1
    • Minor islands0
    • Islets8
    • Rocks & skerries3

    Major islands

    1

    Islets

    8
    • North Island4 m · 0.07 km²
    • Grass Island0 m · 0.03 km²
    • Little North Island0.02 km²
    • Bird Island0.6 ha
    • Unnamed island0.4 ha
    • Unnamed island0.2 ha
    • Unnamed island0.2 ha
    • Unnamed island0.1 ha

    Rocks & skerries

    3
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha

    Also in the area

    1

    Inside the group's outline but not confirmed as members by any source.

    Figures

    Comparative heights

    Sea level1 m2 m3 m4 m4 mNorth2 mSoutheast
    High points by island, metres above sea level.

    Islands by area

    0.00010.0010.010.11Southeast: 0.17 km²SoutheastSeal Kittery: 0.12 km²Seal KitteryNorth: 0.07 km²NorthGrass: 0.03 km²GrassLittle North: 0.02 km²Little NorthBird: 0.6 haBirdUnnamed island: 0.4 haUnnamed islandUnnamed island: 0.2 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 island
    km², log scale
    Southeast Island0.17 km²
    Seal Kittery Island0.12 km²
    North Island0.07 km²
    Grass Island0.03 km²
    Little North Island0.02 km²
    Bird Island0.6 ha
    Unnamed island0.4 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.1 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
    • Talus
    • Wikipedia

    Photographs