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    Johnston Atoll Geography - 2004

      Oceania, atoll in the North Pacific Ocean 717 NM (1328 km) southwest of Honolulu, Hawaii, about one-third of the way from Hawaii to the Marshall Islands

      Geographic coordinates:
      16 45 N, 169 31 W

      Map references:

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

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

      Land boundaries:
      0 km

      34 km

      Maritime claims - as described in UNCLOS 1982 (see Notes and Definitions):
      territorial sea: 12 NM
      exclusive economic zone: 200 NM

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

      mostly flat

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

      Natural resources:
      guano deposits worked until depletion about 1890, terrestrial and aquatic wildlife

      Land use:
      arable land: 0%
      permanent crops: 0%
      other: 100% (1998 est.)

      Irrigated land:
      0 sq km (1998 est.)

      Natural hazards:

      Environment - current issues:
      no natural fresh water resources

      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; the egg-shaped reef is 34 km in circumference; closed to the public; a former US nuclear weapons test site; site of now-closed Johnston Atoll Chemical Agent Disposal System (JACADS); most facilities dismantled and cleanup complete in 2004; some low-growing vegetation

      NOTE: The information regarding Johnston Atoll on this page is re-published from the 2004 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Johnston Atoll Geography 2004 information contained here. All suggestions for corrections of any errors about Johnston Atoll Geography 2004 should be addressed to the CIA.

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    Revised 21-May-04
    Copyright © 2021 Photius Coutsoukis (all rights reserved)