Pacific Northwest Seismic Network
The latest information on Pacific Northwest earthquakes
Earthquake Information for Washington
A website of the U.S. Geological Survey, Earthquake Hazards Program
Lifelines and Earthquakes in the Greater Seattle Area
A U.S. Geological Survey article and map on the vulnerability of Seattle lifeline systems to earthquakes
Cascadia Region Earthquake Workgroup
A not-for-profit corporation of private and public representatives working together to improve the ability of Cascadia Region communities to reduce the effects of earthquake events
Soil Liquefaction Web Site
This University of Washington, Department of Civil Engineering website provides general information on liquefaction for interested lay persons as well as more detailed information for engineers