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A map of the Juan de Fuca plate with noted seismic incidents, including the 2001 Nisqually earthquake. The Juan de Fuca plate is bounded on the south by the Blanco fracture zone (running northwest off the coast of Oregon), on the north by the Nootka Fault (running southwest off Nootka Island, near Vancouver Island, British Columbia) and along the west by the Pacific plate (which covers most of ...
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. The plate slipped an average of 20 meters (66 ...
The magnitude of a megathrust earthquake is proportional to length of the rupture along the fault. The Cascadia subduction zone, which forms the boundary between the Juan de Fuca and North American plates, is a very long sloping fault that stretches from mid-Vancouver Island to Northern California. [18]
The Juan de Fuca plate, created at the spreading ridge southwest of the triple junction, is moving at a rate of 45.7 mm/yr at an azimuth of 244˚ in relation to the North American plate, and the Pacific plate is moving at 58.6 mm/yr in relation to the Juan de Fuca plate. [2]
A map of the Juan de Fuca plate Age of ocean floor, with fracture zones in the north Pacific Ocean. Hawaii-Emperor seamount chain in black. (some are inactive) [6] Challenger fracture zone; Austral fracture zone [6] Marquesas fracture zone [6] Galapagos fracture zone [6]
A small earthquake occurred in Brown County, Ohio, along the border with Kentucky, early Thursday. A 2.4 magnitude quake happened about 4 miles from Georgetown at a depth of 5 miles just after ...
The earthquake originated roughly four miles southeast of Madison, Lake County, and could be felt as far away as Akron, Lorain and Erie, Pennsylvania. Northeast Ohio shook by 3.6 magnitude ...
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