Location:
North America, bordering both the North Atlantic Ocean and the
North Pacific Ocean, between Canada and Mexico
Geographic coordinates:
38 00 N, 97 00 W
Map references:
North America
Area:
total: 9,631,420 sq km
land: 9,161,923 sq km
water: 469,497 sq km
note: includes only the 50 states and District of Columbia
Area - comparative:
about half the size of Russia; about three-tenths the size of
Africa; about half the size of South America (or slightly larger
than Brazil); slightly larger than China; almost two and a half
times the size of the European Union
Land boundaries:
total: 12,034 km
border countries: Canada 8,893 km (including 2,477 km with Alaska),
Mexico 3,141 km
note: US Naval Base at Guantanamo Bay, Cuba is leased by the US and
is part of Cuba; the base boundary is 28 km
Coastline:
19,924 km
Maritime claims: territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: not specified
Climate:
mostly temperate, but tropical in Hawaii and Florida, arctic in
Alaska, semiarid in the great plains west of the Mississippi River,
and arid in the Great Basin of the southwest; low winter
temperatures in the northwest are ameliorated occasionally in
January and February by warm chinook winds from the eastern slopes
of the Rocky Mountains
Terrain:
vast central plain, mountains in west, hills and low mountains in
east; rugged mountains and broad river valleys in Alaska; rugged,
volcanic topography in Hawaii