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Geography of Guam

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Title: Geography of Guam  
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Geography of Guam

Guam
Native name: Guåhån
Map of Guam (See detailed map)
Geography
Location Pacific Ocean
Coordinates
Archipelago Mariana Islands
Area 541.3 km2 (209.0 sq mi)
Length 51 km (31.7 mi)
Width 15 km (9.3 mi)
Highest elevation 406 m (1,332 ft)
Highest point Mount Lamlam
Country
United States
Territory of the United States  Guam
Largest city Dededo (pop. 46,000)
Demographics
Population 173,456 (as of 2007)
Density 320.44 /km2 (829.94 /sq mi)
Ethnic groups Native Chamorros (57%), Filipino (25.5%), White (10%), Chinese, Japanese and Korean ancestry
Pass of the ISS over Mongolia, looking out west towards the Pacific Ocean, China, and Japan. As the video progresses, you can see major cities along the coast and the Japanese islands on the Philippine Sea. The island of Guam can be seen further down the pass into the Philippine Sea, and the pass ends just to the east of New Zealand. A lightning storm can be seen as light pulses near the end of the video.

This article describes the geography of the United States territory of Guam.

Location
Oceania, island in the North Pacific Ocean, about a quarter of the way from the Philippines to Hawaii, United States
Geographic coordinates
Map references
Oceania
Area
  • Total: 541.3 km²
  • Land: 541.3 km²
  • Water: 0 km²
Area (comparative)
Three times the size of Washington, D.C.
Land boundaries
Approximately 30 miles (51 km) long and 9 miles (15 km) wide, narrowing to 4 miles (7 km) at the center.
Coastline
125.5 km (78.0 mi)
Maritime claims
Climate
Tropical marine; generally warm and humid, moderated by northeast trade winds; dry season from January to June, wet season from July to December; little seasonal temperature variation.
Terrain
Volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most freshwater), with steep coastal cliffs and narrow coastal plains in north, low-rising hills in center, mountains in south
Elevation extremes
Natural resources
Commercial fishing (mostly servicing and unloading of longline fleets and commercial vessels), recreational fishing of Indo-Pacific Blue Marlin (Makaira mazara), Wahoo (Acanthocybium solandri), Mahi-mahi (Coryphaena hippurus), Yellowfin tuna (Thunnus albacares), and deepwater reef fish, tourism (especially from Japan but increasingly from China and South Korea).
Land use
  • Arable land: 11%
  • Permanent crops: 11%
  • Permanent pastures: 15%
  • Forests and woodland: 18%
  • Other: 45% (1993 est.)
Irrigated land
N/A km²
Natural hazards
Frequent squalls during wet season; relatively rare, but potentially very destructive typhoons (typhoons are possible in any season but most common from August through December)
Environment - current issues
Extirpation of native bird population by the rapid proliferation of the Brown tree snake (Boiga irregularis), an exotic species. Island also supports feral populations of introduced deer, Pigs (Sus scrofa) and Carabao (Bubalus bubalis carabanesis).
Geography - note
Largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean.

Extreme points

This is a list of the extreme points of Guam, the points that are farther north, south, east or west than any other location.

References

  1. ^ a b "Elevations and Distances in the United States".  
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