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Scientists were unsure for decades whether to believe data suggesting that shallow faults near Seattle had ruptured together or in close succession.Now, the University of Arizona-led research of tree rings has confirmed one or more major earthquakes occurred in the region 11 centuries ago this winter.The seismic movement involved at least two of four shallow faults in the
SEATTLE — With the Cascadia Subduction Zone parked off the coast and shallow faults lurking under most major cities, the Puget Sound area already faces a daunting array of seismic scenarios. A …
It’s no secret that the Seattle, and its metro area, are a ticking time bomb for seismic activity. New research has uncovered yet another possible danger, an earthquake twice as strong as what had previously been thought possible along the fault that passes over Seattle.
Tree ring samples reveal a pair of quakes, or one large one, in Seattle’s geologic history.
Tucson AZ (SPX) Sep 28, 2023 - In February, a 7.8-magnitude earthquake shook the Turkey-Syria border, followed by one nearly as large nine hours later. Shallow faults less than 18 miles beneath the surface buckled and ruptured, c