Search results
Results From The WOW.Com Content Network
The 1700 Cascadia earthquake occurred along the Cascadia subduction zone on January 26, 1700, with an estimated moment magnitude of 8.7–9.2. The megathrust earthquake involved the Juan de Fuca plate from mid-Vancouver Island, south along the Pacific Northwest coast as far as northern California.
Axial lies where the chain intersects with the Juan de Fuca Ridge, [7] approximately 480 km (298 mi) west of Oregon. It is a product of the Cobb hotspot, but now sits on an ocean spreading center between the Juan de Fuca plate and the Pacific Plate, [8] offset by the Blanco fracture zone to the south and a ridge-built triple junction to the ...
The Juan de Fuca Channel is a submarine canyon running from the shelf break, off southern Vancouver Island to Juan de Fuca Strait. [2] The canyon is both narrow and deep and has sides that are steep. Over its 6-kilometre (3.7 mi) width at the rim it drops from 200 metres (660 ft) in depth to over 500 metres (1,600 ft) deep at the thalweg .
It separates the Juan de Fuca and North America plates. New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge. [8] [9] The Juan de Fuca plate moves toward, and eventually is pushed under the continent (North American plate). The zone separates the Juan de Fuca plate, Explorer plate, Gorda plate, and North American plate.
The United States faces a potential tsunami threat that mirrors the catastrophic Indonesia tsunami of 2004. Just west of the Oregon coast lies the Cascadia subduction zone where the Juan de Fuca Plate is moving under the North American Plate. A major earthquake here could displace enough water to cause a massive wave to impact along the west coast.
The western part of Washington State lies above the Cascadia subduction zone, where the Juan de Fuca plate is being subducted beneath the North American plate. The seismicity of this region consists of rare great megathrust earthquakes, like the 1700 Cascadia earthquake and more common earthquakes originating from within the subducting slab.
Juan de Fuca (10 June 1536 – 23 July 1602) [1] [2] was a Greek sailor who served Philip II of Spain.He is best known for his claim to have explored the Strait of Anián—now known as the Strait of Juan de Fuca—between Vancouver Island (now part of British Columbia, Canada) and the Olympic Peninsula (northwestern Washington state in the United States).
The Strait of Juan de Fuca (officially named Juan de Fuca Strait in Canada) [2] is a body of water about 96 miles (83 nmi; 154 km) long [3] that is the Salish Sea's main outlet to the Pacific Ocean. The international boundary between Canada and the United States runs down the centre of the Strait.