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Axial Seamount (also Coaxial Seamount or Axial Volcano) is a seamount, submarine volcano, and underwater shield volcano [3] in the Pacific Ocean, located on the Juan de Fuca Ridge, approximately 480 km (298 mi) west of Cannon Beach, Oregon.
Brown Bear Seamount is a seamount (underwater volcano) approximately 300 mi (483 km) west of the coast of Oregon. It is connected to the larger Axial Seamount by a small ridge. Brown Bear Seamount was created by the Cobb hotspot, and is located on the near west of the Juan de Fuca Ridge.
Cobb Seamount is a seamount (underwater volcano) and guyot located 500 km (310 mi) west of Grays Harbor, Washington, United States. [2] Cobb Seamount is one of the seamounts in the Cobb–Eickelberg Seamount chain, a chain of underwater volcanoes created by the Cobb hotspot that terminates near the coast of Alaska.
Patton Seamount is a prominent seamount (underwater volcano) in the Cobb–Eickelberg Seamount chain in the Gulf of Alaska.Located 166 nmi (307 km; 191 mi) east of Kodiak Island and reaching to within 160 m (520 ft) of the ocean surface, Patton is one of the largest seamounts in the Cobb–Eickelberg Seamount chain.
The last time the West Coast saw a tsunami advisory was in January 2022, Snider said, after the eruption of an underwater volcano in a remote corner of the South Pacific touched off a powerful ...
Pages in category "Volcanoes of Oregon" The following 112 pages are in this category, out of 112 total. ... Central Oregon Coast Range; China Hat (Oregon) Chinquapin ...
The volcanoes with historical eruptions include: Mount Rainier, Glacier Peak, Mount Baker, Mount Hood, Lassen Peak, and Mount Shasta. Renewed volcanic activity in the Cascade Arc, such as the 1980 eruption of Mount St. Helens, has offered a great deal of evidence about the structure of the Cascade Arc. One effect of the 1980 eruption was a ...
Basalt pillow lava from Juan de Fuca Ridge. The Juan de Fuca Ridge was at one point a part of the larger Pacific-Farallon ridge system. Approximately 30 million years ago, the Farallon Plate, being driven outwards by the Pacific-Farallon ridge, was pushed underneath the North American Plate, splitting what remained into the Juan de Fuca Plate to the North and the Cocos Plate and Nazca Plate to ...