Elevation extremes: lowest point: Indian Ocean 0 m

highest point: unnamed location 2.4 m

Natural resources: none

Land use: arable land: 0%

permanent crops: 0%

permanent pastures: 0%

forests and woodland: 0%

other: 100% (all rock)

Irrigated land: 0 sq km (1993)

Natural hazards: maritime hazard since it is usually under water during high tide and surrounded by reefs; subject to periodic cyclones