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Ryukyu Trench
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Also called:
Nansei-Shotō Trench
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Ryukyu Trench

trench, Pacific Ocean
Also known as: Nansei-Shotō Trench
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History

Ryukyu Trench, deep ocean trench running north along the eastern edge of the Ryukyu Islands (Japan) in the Philippine Sea, between Taiwan and the Japanese archipelago. The Ryukyu Trench reaches a maximum depth of 24,629 feet (7,507 m) about 60 miles (90 km) south of Okinawa. It is 1,398 miles (2,250 km) long, and its mean width is 37 miles (60 km). Its floor area extends over some 52,000 square miles (135,000 square km), mostly covered by red clay.

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