Search results
Results from the WOW.Com Content Network
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
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 ...
A fault off the Pacific coast could devastate Washington, Oregon and Northern California with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.
Historical San Juan Island, modern Cortes Bank, is a high seamount, an island submerged 6 feet and more, 96 mi SW of San Pedro, 111 mi (166 km) W of Pt Loma, and 47 mi (82 km) SW of San Clemente Island. The outermost feature in the Channel Islands, it has been visible as an island from elevations on San Clemente Island on clear days, and known ...
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 arc formed due to subduction along the Cascadia subduction zone. Although taking its name from the Cascade Range, this term is a geologic grouping rather than a geographic one, and the Cascade Volcanoes extend north into the Coast Mountains, past the Fraser River which is the northward limit of the Cascade Range proper.
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 ]
Quadra sent Caamaño north, to carefully explore the coast between Vancouver Island and Bucareli Bay, Alaska. Various Spanish maps, including Caamaño's, were given to George Vancouver in 1792, as the Spanish and British worked together to chart the complex coastline. [33] HMS Discovery was the lead ship used by George Vancouver