This map traces the course of the Seattle fault across Puget Sound, through the city and across Lake Washington to the Eastside.
The next big earthquake on the Seattle fault could trigger destructive landslides in the city, potentially affecting a much larger area than previously thought, and in areas outside those currently considered to be landslide prone, a new University of Washington-led study shows. "A major quake along the Seattle fault is among the worst-case scenarios for the area, since the fault runs just south of downtown.” said Kate Allstadt, a UW doctoral student in Earth and space sciences. "Our study shows the need for dedicated studies on seismically induced landsliding. Allstadt is the lead author of a paper documenting the research, published online Oct. 22 by the Bulletin of the Seismological Society of America. Co-authors are John Vidale, a UW professor of Earth and space sciences and Allstadt's doctoral adviser, and Arthur Frankel of the U.S. Geological Survey, which funded the research. The research offers a framework for simulating hundreds of earthquake scenarios for the Seattle area.
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