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Japan Trench

 
Dictionary: 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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WordNet: Japan Trench
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: a depression in the floor of the Pacific Ocean northeast of Japan that reaches depths of 30,000 feet


Wikipedia: Japan Trench
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The Japan Trench lies east of Honshū island

The Japan Trench is an oceanic trench, a part of the Pacific Ring of Fire, in the floor of the northern Pacific Ocean off northeast Japan. It extends from the Kuril Islands to the Bonin Islands and is 9,000 m (30,000 ft) at its deepest. It is an extension of the Kuril-Kamchatka Trench to the north and the Izu-Ogasawara Trench to its south. This trench is created when the oceanic Pacific plate subducts beneath the continental Eurasian plate. The subduction process, together with the friction created 'drags' the plates downwards, causing a deep-sea trench to be formed. The Japan Trench is one of the causes of the tsunamis and earthquakes in Japan.

On 11 August 1989 the Shinkai 6500 three-person submersible descended to 6,526 m (21,410 ft).) while exploring the Japan Trench.

In October 2008, a UK-Japan team discovered a shoal of fish, Pseudoliparis amblystomopsis at a depth of 7.7 km (4.8 mi) in the trench, these are believed to be the deepest living fish ever recorded.[1]

See also

References

  1. ^ "'Deepest ever' living fish filmed". BBC News. 7 October 2008. http://news.bbc.co.uk/1/hi/sci/tech/7655358.stm. Retrieved 2008-10-07. 

Coordinates: 40°07′N 144°19′E / 40.117°N 144.317°E / 40.117; 144.317



 
 

 

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Japan Trench" Read more