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Axial Seamount is the youngest volcano and current eruptive center of the Cobb–Eickelberg Seamount chain, a chain of seamounts that terminates south of Alaska. [6] Axial lies where the chain intersects with the Juan de Fuca Ridge, [7] approximately 480 km (298 mi) west of Oregon.
1. Axial Seamount (46° 03′ 36″ N, 130° 00′ 0″ W). The most recent seamount. Axial Seamount is the youngest seamount in the Cobb Eickelberg Seamount chain. Since this is the most active of all the Cobb-Eickelberg Seamounts, it is studied the most: to help understand the dynamics of seamounts, volcanic activity, earthquakes, biodiversity, geology and chemistry.
Axial is the most active volcano in the northeastern Pacific basin, and an underwater cabled observatory has been installed there as a part of the National Science Foundation's Ocean Observatories Initiative, making it one of the best studied volcanoes along mid-ocean ridges globally. [4] [5]
Axial Seamount is the hotspot's most recent eruptive center, ... (12 to 25 mi) in diameter, reaching a depth of 11 kilometres (6.8 mi) beneath the volcano.
Map of world's major seamounts.. A list of active and extinct submarine volcanoes and seamounts located under the world's oceans. There are estimated to be 40,000 to 55,000 seamounts in the global oceans. [1]
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.
Erta Ale Range is the most important axial volcanic chain of the Afar Depression, Afar Region, Ethiopia. It consists mostly of shield volcanoes. The active volcano Erta Ale is a prominent feature of the range. The highest volcano of the range is Ale Bagu, with an elevation of 1,031 m (3,383 ft
Axial Seamount is the youngest seamount of the Cobb–Eickelberg Seamount chain. Its last eruption was in 2015. Mauna Kea is the tallest volcano in the Hawaiian–Emperor seamount chain. Many cinder cones have been emplaced around its summit. Hualalai is a massive shield volcano in the Hawaiian–Emperor seamount chain. Its last eruption was in ...