Challenger Deep


  • Kathy Sullivan, known as the first American woman to walk in space has also become the first woman to reach a Challenger Deep in the Mariana Trench, which is seven miles below the surface of the Pacific Ocean.
  • Scientists can be carried to the deep sea by vehicles called human occupied vehicles (HOVs), or, alternatively, unmanned vehicles, called remotely operated vehicles (ROVs)

What is Challenger Deep?

  • deepest known point in the Earth’s oceans with a depth of around 10,984m.
  • located in the Western Pacific Ocean at the southern end of the Mariana Trench near the Mariana Islands group.

Significance of Deep Ocean Areas:

  • reveal new sources for medical drugs, food, energy resources and other products. 
  • help to predict earthquakes and tsunamis
  • help us understand how we are affecting and getting affected by the Earth’s environment.

Challenger Deep - Wikipedia

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