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The Cascadia subduction zone is a 960 km (600 mi) fault at a convergent plate boundary, about 100–200 km (70–100 mi) off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States
“Cascadia seems capable of generating a magnitude 9 or a little smaller or a little bigger.” A quake that powerful could cause shaking that lasts about five minutes and generate tsunami waves ...
Baja California was mistakenly thought to be an island rather than a peninsula. The Californias region, which comprises California and the Baja California Peninsula, includes many coastal islands in the Pacific Ocean. California is in the United States; and the Baja California Peninsula includes the Mexican states of Baja California Sur and ...
The Mendocino fracture zone is a fracture zone and transform boundary over 4000 km (2500 miles) long, [1] starting off the coast of Cape Mendocino in far northern California. It runs westward from a triple junction with the San Andreas Fault and the Cascadia subduction zone for about 300 km to the southern end of the Gorda Ridge. It continues ...
The Cascadia subduction zone is capable of producing megathrust earthquakes on the order of MW 9.0. Due to the relative plate motions, the triple junction has been migrating northwards for the past 25–30 million years, and assuming rigid plates, the geometry requires that a void, called slab window, develop southeast of the MTJ. [4]
Island Image Coordinates Counties Description Bird Rock: 5]: Marin : Small Pacific island west of Tomales Point, primarily a seabird colony. It covers 2 acres (0.81 ha). : Hog Island (Tomales Bay): Marin : A 2-acre (0.81 ha) island in Tomales Bay. : Año Nuevo Island: 6]: San Mateo : Small Pacific island, about 0.2 miles (0.32 km) long, near Año Nuevo (New Year's) Point, south of the Golden ...
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The Pacific Northwest (PNW; French: Nord-Ouest Pacifique), sometimes referred to as Cascadia, is a geographic region in Western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east.