Guam's Geography | Guams Geography |
![]() MapGuamanian GeographyLocation: Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines Geographic coordinates: 13 28 N, 144 47 E Map references: Oceania Area: total: 549 sq km land: 549 sq km water: 0 sq km Area - comparative: three times the size of Washington, DC Land boundaries: 0 km Coastline: 125.5 km Maritime claims: territorial sea: 12 nm exclusive economic zone: 200 nm Climate: tropical marine; generally warm and humid, moderated by northeast trade winds; dry season from January to June, rainy season from July to December; little seasonal temperature variation Terrain: volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south Elevation extremes: lowest point: Pacific Ocean 0 m highest point: Mount Lamlam 406 m Natural resources: fishing (largely undeveloped), tourism (especially from Japan) Land use: arable land: 9.09% permanent crops: 16.36% other: 74.55% (2001) Irrigated land: NA Natural hazards: frequent squalls during rainy season; relatively rare, but potentially very destructive typhoons (June - December) Environment - current issues: extirpation of native bird population by the rapid proliferation of the brown tree snake, an exotic, invasive species Environment - international agreements: Geography - note: largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean |