Geographic coordinates: 16 45 N, 169 31 W

Map references: Oceania

Area: 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

Coastline: 34 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: 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: NA

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 Johnston Atoll Chemical Agent Disposal System (JACADS); some low-growing vegetation

NOTE: The information regarding Johnston Atoll on this page is re-published from the 2003 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Guinea Geography 2003 information contained here. All suggestions for corrections of any errors about Johnston Atoll Geography 2003 should be addressed to the CIA.