Which is the deepest point of Earth's oceans with a depth of 11,022 metres?

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SSC Selection Post 2024 (Higher Secondary Level) Official Paper (Held On: 25 Jun, 2024 Shift 4)
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  1. Pacific Ocean's Mariana Trench
  2. Indian Ocean's Java Trench
  3. Atlantic Ocean's Puerto Rico Trench
  4. Arctic Ocean's Eurasian Basin

Answer (Detailed Solution Below)

Option 1 : Pacific Ocean's Mariana Trench
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The correct answer is the Pacific Ocean's Mariana TrenchKey Points

  • The Mariana Trench, which is the deepest point on earth, is located in the Pacific Ocean.
  • It is situated in the western Pacific Ocean, to the east of the Mariana Islands.
  • The Mariana Trench is approximately 2,550 km long and 69 km wide, with a depth of 10,994 meters at its deepest point, known as the Challenger Deep.
  • The trench is formed by the collision of the Pacific Plate and the Philippine Plate, which creates a subduction zone and leads to the formation of the deepest part of the ocean floor.

Additional Information

  • Atlantic Ocean -
    • This is incorrect because the Atlantic Ocean, while vast and home to significant depths, does not contain the deepest point on Earth.
    • Its deepest point is the Milwaukee Deep (Puerto Rico Trench), which is approximately 8,376 meters (27,480 feet) deep, far shallower compared to the Mariana Trench.
  • Indian Ocean -
    • This option is not correct. The Indian Ocean's deepest point is the Java Trench (also known as the Sunda Trench), with a maximum depth of about 7,725 meters (25,344 feet), making it much shallower than the Mariana Trench.
  • Arctic Ocean -
    • This is also incorrect. The Arctic Ocean's deepest point is the Molloy Deep in the Fram Strait, with a depth of about 5,550 meters (18,209 feet).
    • While fascinating for its own ecological and geographical characteristics, it does not compare to the depth of the Mariana Trench.

Thus, the Mariana Trench's extreme depth and unique ecosystem have made it a subject of much scientific research and interest, emphasizing its significance located in the Pacific Ocean.

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