East Pacific Rise
[ eestpuh-sif-ik rahyz ]
noun
a long north-south elevation of the seafloor in the eastern Pacific Ocean extending southward from southwestern Mexico to the Southern Ocean, separating the Pacific Plate from the North American, Rivera, Cocos, Nazca, and Antarctic Plates. Abbreviation: EPR
Origin of East Pacific Rise
1First recorded in 1960–65
- See also Pacific Antarctic Ridge.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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