Geography Johnston Atoll

Location:

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:

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

The 2003 CIA World Factbook · 第 1298 / 3264 题