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A magnitude 7.1 earthquake in the Tacoma Fault Zone— A plausible scenario for the southern Puget Sound region, Washington

Fact Sheet 2010-3023
In cooperation with Pacific Northwest Seismic Network, Dept. of Earth and Space Sciences, University of Washington, and Washington State Department of Natural Resources
By: , , , and 
https://doi.org/10.3133/fs20103023

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Abstract

The U.S. Geological Survey and cooperating scientists have recently assessed the effects of a magnitude 7.1 earthquake on the Tacoma Fault Zone in Pierce County, Washington. A quake of comparable magnitude struck the southern Puget Sound region about 1,100 years ago, and similar earthquakes are almost certain to occur in the future. The region is now home to hundreds of thousands of people, who would be at risk from the shaking, liquefaction, landsliding, and tsunamis caused by such an earthquake. The modeled effects of this scenario earthquake will help emergency planners and residents of the region prepare for future quakes.

Suggested Citation

Gomberg, J., Sherrod, B., Weaver, C., Frankel, A., 2010, A magnitude 7.1 earthquake in the Tacoma Fault Zone— A plausible scenario for the southern Puget Sound region, Washington: U.S. Geological Survey Fact Sheet 2010-3023, 4 p., https://doi.org/10.3133/fs20103023.

ISSN: 2327-6932 (online)

ISSN: 2327-6916 (print)

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title A magnitude 7.1 earthquake in the Tacoma Fault Zone— A plausible scenario for the southern Puget Sound region, Washington
Series title Fact Sheet
Series number 2010-3023
DOI 10.3133/fs20103023
Year Published 2010
Language English
Publisher U.S. Geological Survey
Contributing office(s) Earthquake Science Center
Description 4 p.
Country United States
State Washington
Other Geospatial Tacoma fault zone
Online Only (Y/N) N
Additional publication details