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Oceans and Seas
The following table lists the world's oceans and seas, according to area and average depth, including the Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern Ocean, Mediterranean Sea, Arctic Ocean, Caribbean Sea, Bering Sea, and more.
| Name | Area | Average
depth | Greatest known
depth | Place of
greatest known depth |
|---|
| sq. mi. | sq. km | ft. | m | ft. | m |
|---|
| Pacific Ocean | 60,060,700 | 155,557,000 | 13,215 | 4,028 | 36,198 | 11,033 | Mariana Trench | | Atlantic Ocean | 29,637,900 | 76,762,000 | 12,880 | 3,926 | 30,246 | 9,219 | Puerto Rico Trench | | Indian Ocean | 26,469,500 | 68,556,000 | 13,002 | 3,963 | 24,460 | 7,455 | Sunda Trench | | Southern Ocean1 | 7,848,300 | 20,327,000 | 13,100–16,400 | 4,000–5,000 | 23,736 | 7,235 | South Sandwich Trench | | Arctic Ocean | 5,427,000 | 14,056,000 | 3,953 | 1,205 | 18,456 | 5,625 | 77°45'N; 175°W | | Mediterranean Sea2 | 1,144,800 | 2,965,800 | 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 | 615,000 | 1,592,800 | 4,874 | 1,486 | 12,425 | 3,787 | Sigsbee Deep | | Okhotsk Sea | 613,800 | 1,589,700 | 2,749 | 838 | 12,001 | 3,658 | 146°10'E; 46°50'N | | East China Sea | 482,300 | 1,249,200 | 617 | 188 | 9,126 | 2,782 | 25°16'N; 125°E | | Hudson Bay | 475,800 | 1,232,300 | 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 | 222,100 | 575,200 | 308 | 94 | 2,165 | 660 | Skagerrak | | Red Sea | 169,100 | 438,000 | 1,611 | 491 | 7,254 | 2,211 | Off Port Sudan | | Baltic Sea | 163,000 | 422,200 | 180 | 55 | 1,380 | 421 | Off Gotland |
1. A decision by the International Hydrographic Organization in spring 2000 delimited a fifth world ocean. 2. Includes Black Sea and Sea of Azov.
Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved. More on Oceans and Seas from Infoplease:
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- Indian Ocean - Indian Ocean Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending ...
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