Coastline: 10 km
Maritime claims: exclusive economic zone: 200 nm territorial sea: 12 nm
International disputes: none
Climate: tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation
Terrain: mostly flat with a maximum elevation of 4 meters
Natural resources: guano (deposits worked until about 1890)
Land use: arable land: 0% permanent crops: 0% meadows and pastures: 0% forest and woodland: 0% other: 100%
Irrigated land: 0 sq km
Environment:
current issues: no natural fresh water resources
natural hazards: NA
international agreements: NA
Note: strategic location in the North Pacific Ocean; Johnston Island and Sand Island are natural islands; North Island (Akau) and East Island (Hikina) are manmade islands formed from coral dredging; closed to the public; former nuclear weapons test site; site of Johnston Atoll Chemical Agent Disposal System (JACADS); some low-growing vegetation