Explained: What is Challenger Deep, the deepest spot in the ocean?

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News: Kathy Sullivan, known as the first American woman to walk in space has also become the first woman to reach a Challenger Deep.


  • Challenger Deep: It is the deepest known point in the Earth’s oceans with a depth of around 10,984m.It is located in the Western Pacific Ocean at the southern end of the Mariana Trench near the Mariana Islands group.
  • Significance of Deep Ocean Areas:
    • Finding out about the deep ocean areas can potentially reveal new sources for medical drugs, food, energy resources and other products. 
    • It can also help to predict earthquakes and tsunamis and help us understand how we are affecting and getting affected by the Earth’s environment.
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