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Relief map with the East Pacific Rise (shown in light blue), extending south from the Gulf of California. The East Pacific Rise (EPR) is a mid-ocean rise (usually termed an oceanic rise and not a mid-ocean ridge due to its higher rate of spreading that results in less elevation increase and more regular terrain), at a divergent tectonic plate boundary, located along the floor of the Pacific Ocean.
Challenger 17. Eltanin 18. Udintsev 19. East Pacific Rise (S-shaped) 20. Nazca Ridge . Most fracture zones in the Pacific Ocean originate from large mid-ocean ridges (also called "rises") such as the East Pacific Rise, Chile Rise and Juan de Fuca Ridge. The plates that host the fractures are Nazca, Pacific, Antarctic, Juan de Fuca and Cocos ...
A community of marine life was found below the East Pacific Rise, a volcanically active ridge located where two tectonic plates meet on the floor, according to a paper published Tuesday in Nature ...
The East Pacific Rise near Easter Island is the fastest spreading mid-ocean ridge, with a spreading rate of over 15 cm/yr. [2] The Pacific plate moves generally towards the northwest at between 7 and 11 cm/yr while the Juan De Fuca plate has an east-northeasterly movement of some 4 cm/yr. [3]
The Mid-Atlantic Ridge system separates the North American plate and the South American plate in the west from the African plate and the Eurasian plate in the east; The Gakkel Ridge is a slow spreading ridge located in the Arctic Ocean; The East Pacific Rise, extending from the South Pacific to the Gulf of California; The Baikal Rift Zone in ...
The Pacific-Antarctic Ridge is the southern extension of the East Pacific Rise Bathymetric and magnetostratigraphy mapping with ages of sea floor spreading in millions of years (Ma) before present between Erebus and Udintsev fracture zones on the Pacific-Antarctic Ridge [1] [2]
The western side is a divergent boundary with the Pacific plate, forming the East Pacific Rise. The northern side is a divergent boundary with the Cocos plate , the Cocos–Nazca spreading centre . The subduction of the Nazca plate under southern Chile has a history of producing massive earthquakes , including the largest ever recorded on earth ...
It occurs when sea surface temperatures in the equatorial eastern Pacific rise to above-average levels for an extended period of time. Its cooler counterpart, La Niña, is declared when water ...