The ShakeAlert® Earthquake Early Warning (EEW) System, managed by the U.S. Geological Survey, detects significant earthquakes quickly enough so that alerts can be delivered to people and automated systems potentially seconds before strong shaking arrives. ShakeAlert is the nation’s only public EEW system and it serves over 50 million residents and visitors in California, Oregon, and Washington. The purpose of the ShakeAlert System is to reduce the impact of earthquakes to save lives and property.
The USGS works with licensed technical partners who use USGS-issued ShakeAlert Messages to alert people to take a protective action or to trigger automated actions. These automated actions could include slowing trains, closing water valves, turning on backup generators, issuing public announcements, and many others.
For general information about ShakeAlert, please visit: usgs.gov/ShakeAlert
To get ShakeAlert-powered alerts on your cell phone, please visit: usgs.gov/FAQ/BeShakeAlertSafe
Who is this website for?This website provides information and resources for ShakeAlert System Technical Partners, Emergency Managers, and Communication, Education, and Outreach Partners. Communities served include ShakeAlert Licensed Operators (LtOs), Community Emergency Response Teams – CERT, K-12 School Communities, free-choice learning environments such as museums and park visitor centers, and the media.
The U.S. Geological Survey (USGS) has developed the ShakeAlert Earthquake Early Warning system along with many partner organizations.
Primary InstitutionsUnited States Geological Survey
California Governor’s Office of Emergency Services
California Institute of Technology
University of Washington
University of California, Berkeley
University of Oregon
EarthScope Consortium
University of Nevada, Reno
Central Washington University
ETH Zurich
Funding PartnersUnited States Geological Survey
California Governor’s Office of Emergency Services
Gordon and Betty Moore Foundation
City of Los Angeles
State of Washington
State of Oregon
National Science Foundation
Other PartnersOregon Museum of Science and Industry
Washington Emergency Management Division
Oregon Department of Emergency Management
Washington Geological Survey
California Geological Survey
Oregon Department of Geology and Mineral Industries
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