Last Updated on November 25, 2023 by KC7NYR
Pacific Northwest Seismic Network (PNSN)
To monitor earthquake and volcanic activity across the Pacific Northwest, the University of Washington and the University of Oregon cooperatively operate the Pacific Northwest Seismic Network (PNSN). The PNSN is sponsored by the U.S. Geological Survey (USGS), the U.S. Department of Energy, the State of Washington, and the State of Oregon. Beginning in 1969 with five seismometers, the PNSN has grown to more than 300 seismograph stations distributed across the region and become the second largest seismic network in the United States.
The PNSN is an organization dedicated to reducing impacts of earthquakes and volcanic eruptions in the states of Washington and Oregon by providing accurate and fast information about earthquakes and ground motions to scientists, engineers, planners, and the public.
OEM Earthquake Information
Oregon is earthquake country. In 1993 western Oregon experienced two damaging earthquakes, Scotts Mills (magnitude 5.6) and Klamath Falls (magnitudes 5.9 and 6). Molalla High School and the State Capitol building were severely damaged.
In addition to the historic record, prehistoric evidence for great subduction zone earthquakes, such as the Cascadia Subduction Zone, and associated tsunamis have been found in coastal wetlands along the Pacific Northwest coast.
We must be aware of and take action to prevent the risks that earthquakes pose to our homes and families. We need to prepare for the earthquake before it happens. By preparing now for future earthquakes, we can protect our homes and families.
For information about the geologic hazards program at OEM, contact:
Althea Rizzo, Geological Hazards Program Coordinator
More than 300 years ago, the Pacific Northwest was rocked by a magnitude 9.0 earthquake. What would happen if a similar earthquake hit the region today?
The Next Cascadia Earthquake: Worst Case Scenario
Earthquake Prediction Center
Electroquake | Electric Earthquakes are Real
How to Predict Earthquakes | Ben Davidson | Long Play – Worth It!
Emergency Preparedness Resources: https://www.dnr.wa.gov/programs-and-services/geology/geologic-hazards/emergency-preparedness
How to survive the Cascadia Earthquake? Tips from seismologist Lucy Jones:
Being prepared for any emergency is as simple as planning ahead. This begins with thinking about your daily activities, the people you care for or who rely on you, and how a disaster would change the way you get things done.
The Oregon Resilience Plan – Download Pdf. Reducing Risk and Improving Recovery for the Next Cascadia Earthquake and Tsunami. Report to the from Oregon Seismic Safety Policy Advisory Commission (OSSPAC)
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