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Johnston Atoll (territory of the US) Geography

    Location: Oceania, atoll in the North Pacific Ocean, about one-third of the way from Hawaii to the Marshall Islands

    Geographic coordinates: 16 45 N, 169 30 W

    Map references: Oceania

    Area:
    total: 2.8 sq km
    land: 2.8 sq km
    water: 0 sq km

    Area—comparative: about 4.7 times the size of The Mall in Washington, DC

    Land boundaries: 0 km

    Coastline: 10 km

    Maritime claims:
    exclusive economic zone: 200 nm
    territorial sea: 12 nm

    Climate: tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation

    Terrain: mostly flat

    Elevation extremes:
    lowest point: Pacific Ocean 0 m
    highest point: Summit Peak 5 m

    Natural resources: NA; guano deposits worked until depletion about 1890

    Land use:
    arable land: 0%
    permanent crops: 0%
    permanent pastures: 0%
    forests and woodland: 0%
    other: 100%

    Irrigated land: 0 sq km (1998)

    Natural hazards: NA

    Environment—current issues: no natural fresh water resources

    Environment—international agreements:
    party to: NA
    signed, but not ratified: NA

    Geography—note: strategic location in the North Pacific Ocean; Johnston Island and Sand Island are natural islands, which have been expanded by coral dredging; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; closed to the public; former US nuclear weapons test site; site of Johnston Atoll Chemical Agent Disposal System (JACADS); some low-growing vegetation

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Revised 1-Mar-99
Copyright © 1999 Photius Coutsoukis (all rights reserved)