Daily Almanac for
Jul 9, 2008
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World > Geography > World Geography

Oceans and Seas

Name Area Average
depth 		Greatest known
depth 		Place of
greatest known depth
sq. mi. sq. km ft. mft.m
Pacific Ocean60,060,700155,557,00013,215 4,028 36,198 11,033 Mariana Trench
Atlantic Ocean 29,637,90076,762,00012,880 3,926 30,246 9,219 Puerto Rico Trench
Indian Ocean 26,469,50068,556,00013,002 3,963 24,460 7,455 Sunda Trench
Southern Ocean17,848,30020,327,00013,100–16,4004,000–5,00023,7367,235South Sandwich Trench
Arctic Ocean 5,427,00014,056,0003,953 1,205 18,456 5,625 77°45'N; 175°W
Mediterranean Sea2 1,144,8002,965,800 4,688 1,429 15,197 4,632 Off Cape Matapan, Greece
Caribbean Sea 1,049,500 2,718,200 8,685 2,647 22,788 6,946 Off Cayman Islands
South China Sea 895,400 2,319,000 5,419 1,652 16,456 5,016 West of Luzon
Bering Sea 884,900 2,291,900 5,075 1,547 15,659 4,773 Off Buldir Island
Gulf of Mexico 615,0001,592,800 4,874 1,486 12,425 3,787 Sigsbee Deep
Okhotsk Sea 613,8001,589,700 2,749 838 12,001 3,658 146°10'E; 46°50'N
East China Sea 482,3001,249,200 617 188 9,126 2,782 25°16'N; 125°E
Hudson Bay 475,8001,232,300 420 128 600 183 Near entrance
Japan Sea 389,100 1,007,800 4,429 1,350 12,276 3,742 Central Basin
Andaman Sea 308,000 797,700 2,854 870 12,392 3,777 Off Car Nicobar Island
North Sea 222,100575,200 308 94 2,165 660 Skagerrak
Red Sea169,100438,000 1,611 491 7,254 2,211 Off Port Sudan
Baltic Sea 163,000 422,200 180 55 1,380 421 Off Gotland
NOTE: For Caspian Sea, see Large Lakes of the World.
1. A decision by the International Hydrographic Organization in spring 2000 delimited a fifth world ocean.
2. Includes Black Sea and Sea of Azov.

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