Japan Trench

The Japan Trench is an ocean trench located in the Pacific Ring of Fire off northeast Japan. It extends from Kuril Islands to the northern end of the Izu Islands. Recently, a new record was created for the deepest sea drilling and the deepest sub-sea level sample by drilling a 37-metre long sediment core at a site in the Japan Trench. This was part of a research project seeking to understand the history of earthquakes in Japan and the Western Pacific.


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