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The Washington State Emergency Management Division has tweeted out that a new study has modeled the impact of a magnitude ~7.5 earthquake on the Seattle Fault — with tsunami waves reaching the greater Seattle area within 3 minutes. You can find their press release, including a ZIP file to the study and maps here by tbe Washington Geological Survey (so not mobile friendly) https://www.dnr.wa.gov/news/new-study-details-impacts-tsunami-fault-running-through-seattle

There are mobile friendly JPGs of the inundation maps from the same WGS study on this site: https://mil.wa.gov/tsunami-resources

Learn more about tsunami hazards, evacuation routes, and how to be prepared, visit
https://www.dnr.wa.gov/programs-and-services/geology/geologic-hazards/Tsunamis

Buildings Can Be Designed to Withstand Earthquakes. Why Doesn’t the U.S. Build More of Them? At stake is whether places like Silicon Valley, Seattle, Salt Lake City, San Francisco or Los Angeles might be forced to shut down after a direct hit.