| Geography | Guam |
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Location:
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Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines |
Geographic coordinates:
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13 28 N, 144 47 E |
Map references:
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Oceania |
Area:
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total: 544 sq km
land: 544 sq km
water: 0 sq km |
Area - comparative:
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three times the size of Washington, DC |
Land boundaries:
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0 km |
Coastline:
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125.5 km |
Maritime claims:
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territorial sea: 12 nm
exclusive economic zone: 200 nm |
Climate:
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tropical marine; generally warm and humid, moderated by northeast trade winds; dry season (January to June), rainy season (July to December); little seasonal temperature variation |
Terrain:
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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:
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lowest point: Pacific Ocean 0 m
highest point: Mount Lamlam 406 m |
Natural resources:
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aquatic wildlife (supporting tourism), fishing (largely undeveloped) |
Land use:
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arable land: 3.64%
permanent crops: 18.18%
other: 78.18% (2005) |
Irrigated land:
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2 sq km (2008) |
Total renewable water resources:
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void |
Total renewable water resources - per capita:
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void |
Freshwater withdrawal (domestic/industrial/agricultural):
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void |
Natural hazards:
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frequent squalls during rainy season; relatively rare but potentially destructive typhoons (June - December) |
Environment - current issues:
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extirpation of native bird population by the rapid proliferation of the brown tree snake, an exotic, invasive species |
Environment - international agreements:
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void |
Geography - note:
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largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean |
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