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Intraslab earthquakes, frequently associated with stresses within the subducting plate in convergent margins, occur most frequently in northern Cascadia along the west coast of Vancouver Island and in Puget Sound, and in southern Cascadia within the subducting Gorda plate, near the Mendocino triple junction offshore of northern California. The ...
Over the past century, scientists have only observed five magnitude-9.0 or higher earthquakes — all megathrust temblors like the one predicted for the Cascadia Subduction Zone.
Back in North America, in 1700, a 9.0 earthquake and monster tsunami rocked the Cascadia region, an area that stretches along what would become Western Washington, Oregon and northern California ...
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 ...
There are other similar earthquake research centers around the nation, such as the Southern California Earthquake Center at Caltech, but CRESCENT will focus solely on the Cascadia subduction zone ...
The 2015 Uniform California Earthquake Rupture Forecast, Version 3, or UCERF3, is the latest official earthquake rupture forecast (ERF) for the state of California, superseding UCERF2. It provides authoritative estimates of the likelihood and severity of potentially damaging earthquake ruptures in the long- and near-term.
While the 1700 earthquake is the most studied, scientists have found evidence of eight to 10 other Cascadia quakes. These large-scale seismic events seem to happen every 300 to 500 years. It has ...
Megathrust earthquakes occur at ... British Columbia down to Northern California. ... This subduction zone was responsible for the 1700 Cascadia earthquake. ...