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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 ...
Structure of the Cascadia subduction zone. The Cascadia subduction zone is a 1,000 km (620 mi) long dipping fault that stretches from Northern Vancouver Island to Cape Mendocino in northern California. It separates the Juan de Fuca and North America plates. New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge.
For decades, scientists have warned about the potential of the Cascadia Subduction Zone, a megathrust fault that runs offshore along the coast from northern Vancouver Island to Cape Mendocino ...
English: A scenario macroseismic intensity map of the median ground motion values from magnitude 9.0 scenario earthquake on the Cascadia Subduction Zone. Maximum intensity of IX (Violent). Maximum intensity of IX (Violent).
Scientists like Tobin fear that without releasing tension through smaller earthquakes, the Cascadia subduction zone is more likely to erupt in a "megathrust" earthquake — or megaquake for short ...
Friday marked the 324th anniversary of the last Great Cascadia earthquake, an estimated 8.7 to 9.2 megaquake that rattled the Pacific Northwest and caused major tsunamis across the Pacific.
Diagram of a subduction zone. The megathrust fault lies on the top of the subducting slab where it is in contact with the overriding plate. The term megathrust refers to an extremely large thrust fault, typically formed at the plate interface along a subduction zone, such as the Sunda megathrust.
Scientists say that the Cascadia subduction zone off the coast of the Pacific Northwest has the potential to spark a magnitude-9.0+ earthquake, plus a subsequent tsunami. That scenario last ...