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The Pacific Ocean is the tumid torso of water on Earth , covering some 155 million square kilometers ( 59 million substantial mi ) , fit in to the National Oceanic and Atmospheric Administration ( NOAA ) .
place between the Southern Ocean , Asia , Australia and the Americas , the Pacific Ocean occupies about one - third of the Earth ’s surface . incorporate almost twice as much as the existence ’s secondlargest dead body of water supply , the Atlantic Ocean , the Pacific Ocean holds more than half of the Earth ’s open water system supply .
In fact , the Pacific Ocean ’s drainage area , or the land below ocean level , is so magnanimous that it could hold all of the human beings ’s continent . Besides being the braggart , the Pacific is also the oldest of the existing sea river basin . Its oldest rocks have been dated at about 200 million years , fit in to NOAA .
The Pacific and Atlantic Oceans are follow in size of it by the Indian Ocean , then by the Southern Ocean and lastly by theArctic Ocean . key out in 1520 by explorer Ferdinand Magellan , Pacific means " peaceful " in Portuguese .
While the ocean ’s waters may appear calm , it ’s a whole other story below its unagitated aerofoil .
Areas of tectonic plate subduction , where one tectonic collection plate is forced under another , cause powerful earthquakes and volcanic activity in a region have-to doe with to as the Ring of Fire around the Pacific drainage area . The Pacific Plate move to the NW at a rate of approximately 3
