Japan Trench

The Japan Trench is one to 8,410 m deep and 800 km long deep trough in the northwestern part of the Pacific Ocean ( Pacific).

Geography

It is located between Honshu (Japan ) in the west, northwest and north, the Kuril in the Northeast, the Northwest Pacific Basin in the east, the bonuses ditch in the south - both separated by the Sagami Trench - and the Philippines Basin in the southwest. There he lies approximately between 36 ° and 42 ° north latitude and 143 ° and 146 ° east longitude.

Geology

The Japan Trench forms the northern part of the deep seam of Philippine plate and the Pacific plate to the west to the east.

In depth of 5000 meters in 2006 about 50 meters tall volcanoes ( "petit spots" ) were first discovered. This only a few million years old volcanoes had been there at all not expected, they represent a new type of volcanoes dar.

The Japan Trench is seismically active. With the 2011 Tōhoku earthquake here one of the strongest earthquake ever recorded occurred.