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Japan Trench
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 at its deepest. It is an extension of the
Kuril-Kamchatka Trench
to the north and the
Izu-Ogasawara Trench
to its south with a length of . This trench is created when the oceanic
Pacific plate
subducts
beneath the continental
Okhotsk Plate
. The subduction process causes bending of the downgoing plate, creating a deep-sea trench. Continuing movement on the subduction zone associated with the Japan Trench is one of the main causes of
tsunamis
and
earthquakes
in northern
Japan
, including the
megathrust
Tohoku earthquake and resulting tsunami
that occurred on 11 March 2011.
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