Earthquakes in the Cascadia Region
Effects & Hazards of Volcanic Ash
Tsunami Hazards in the Cascadia Region
CREW Shallow Earthquakes Scenario
After the 2008 National Earthquake Conference: From Research to Resilience – What next?
Cascadia Deep Earthquakes
Cascadia Subduction Zone Earthquakes: A magnitude 9.0 earthquake scenario
Earthquake Hazards in he Cascadia Region
Information provided by Federal or State jurisdictions
The Cascadia Region, or the Pacific Northwest, as it is also called, which encompasses British Columbia, Washington, Oregon and Northern California, is a very seismically active area of the world. Below is an exerpt about the causes, magnitudes and frequency of earthquakes in this area. It was prepared by the Pacific Northwest Seismic Network (PNSN), which operates seismograph stations and locates earthquakes in Washington.