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Pages in category "Seamounts of the Pacific Ocean" The following 151 pages are in this category, out of 151 total. This list may not reflect recent changes. A.
The Hawaiian–Emperor seamount chain is a mostly undersea mountain range in the Pacific Ocean that reaches above sea level in Hawaii.It is composed of the Hawaiian ridge, consisting of the islands of the Hawaiian chain northwest to Kure Atoll, and the Emperor Seamounts: together they form a vast underwater mountain region of islands and intervening seamounts, atolls, shallows, banks and reefs ...
A seamount is a large submarine landform that rises from the ocean floor without reaching the water surface (), and thus is not an island, islet, or cliff-rock.Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1,000–4,000 m (3,300–13,100 ft) in height.
The Hawaiian–Emperor seamount chain is a series of volcanoes and seamounts extending about 6,200 km (3,900 mi) across the Pacific Ocean. [ n 1 ] The chain was produced by the movement of the ocean crust over the HawaiĘ»i hotspot , an upwelling of hot rock from the Earth's mantle .
The seamounts range from 5,220 to 8,796 feet high and reign over a mysterious submerged world that is largely unmapped, experts say. ... Massive find made by seafloor mapping team in Pacific Ocean ...
A seamount is an underwater volcano; Davidson rises 7,480 ft (2,280 m) above the surrounding ocean floor. Although there are over 30,000 seamounts in the Pacific Ocean alone, only about 0.1% of them have been explored. [4] The aqueous environment of the seamount means that it behaves differently from volcanoes on land.
The Cobb-Eickelberg seamount chain is a range of undersea mountains formed by volcanic activity of the Cobb hotspot located in the Pacific Ocean.The seamount chain extends to the southeast on the Pacific Plate, beginning at the Aleutian Trench and terminating at Axial Seamount, located on the Juan de Fuca Ridge.
The Pacific Ocean floor beneath the seamounts is of Cretaceous age and is subdivided by the Murray Fracture Zone into an older northern (100 to 95 million years ago) and a younger southern (80 to 85 million years ago) sector. [4] To the north, the Musicians Seamounts are limited by the Pioneer fracture zone.