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Bottom topography of the Pacific ocean UPSC |Oceanography | Physical Geography

About the Pacific Ocean:
  • The exact time of the development of the Pacific ocean s not known, but it may have developed around 250 million back after the breaking of Pangaea.
  • It is the largest Ocean among the five oceans; area of the pacific ocean covers 1/3rd areas of the earth's crust.
  • The shape of the pacific ocean is triangular.
  • It has the largest extensive Abyssal plains with average deep of 4500 meters.
  • It has the largest number of Islands; around more than 2000 islands are found in the pacific ocean.
  • The deepest trench is Mariana Trench which is around 11000 meters deep.
  • The Pacific Ring of Fire which is the world's largest area of volcanos and sources of earthquakes is a unique feature of the Pacific Ocean.

Bottom topography of the Pacific Ocean:
The following image explains the bottom topography of the Pacific Ocean:

Bottom topography of the Pacific ocean



Seamount and islands:
Some important seamounts and islands of the Pacific ocean are:
  • Kuril islands
  • Japanese islands
  • Philippines islands
  • Indonesian islands
  • New Zealand islands
  • Fiji Islands
  • Hawaiian Islands
  • Emperor Sea Mounts
  • Gilbert Sea Mounts
  • Cobb Sea Mounts
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