Discover the secret of Marianas Trench - DS 58
Discover the secret of Marianas Trench . The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean, an average of 200 kilometres (124 mi) to the east of the Mariana Islands, in the Western Pacific East of Philippines. It lies on the bottom of the Pacific Northwest , to the east of the Mariana Islands . It reaches a maximum-known depth of 10,994 metres (36,070 ft). It was first explored in 1951 by the Royal Navy 's Challenger II , so it was named the deepest part of the Mariana Trench, the Challenger Chasm . Using techniques reflection of sound waves , the ship Challenger II measured a depth of 5960 fathoms(10,900 m) at coordinates 11 ° 19 'North and 142 ° 15' East. In 1984 , Japan sent the Takuyo , a highly specialized survey vessel to the Mariana Trench for data collection using multiple beam and narrow-beam reflex receivers; They report a maximum depth of 10,924 m (35,840 ft). The most a...