Japan Trench

A depression in the floor of the northern Pacific Ocean off northeast Japan. It extends from the Bonin to the Kuril islands and reaches depths of more than 9,000 m (30,000 ft).

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Noun

Japan Trench - a depression in the floor of the Pacific Ocean to the northeast of Japan that reaches depths of 30,000 feet

Japan Trench

a submarine depression in the western part of the Pacific Ocean, along the eastern edge of Honshu. The Japan Trench is about 1,000 km long and reaches a maximum depth of 8,412 m. Its cross section is V-shaped: the width of the trench within the isobath ranges from 7 km to about 60 km, while on the bottom it ranges from 1.8 to 36 km. There are numerous earthquake epicenters confined to the sides and bottom of the trench.

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