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Notice of Earthquake Advisory for areas of Southern California:

Following the series of small magnitude earthquakes and the most recent September 26, 2016, magnitude 4.3 earthquake 6 kilometers south of Bombay Beach, Salton Sea, California; the California Office of Emergency Services has conferred with the California Earthquake Prediction Evaluation Council (CEPEC) that includes scientists representing the California Geological Survey, University of California at San Diego, Southern California Earthquake Center at USC, and the U.S. Geological Survey knowledgeable about this seismic region’s history and potential. Based on these discussions, the California Governor's Office of Emergency Services advises the counties of:

  • Imperial
  • Kern
  • Los Angeles
  • Orange
  • Riverside
  • San Bernardino
  • San Diego
  • Ventura

that CEPEC believes that stresses associated with this earthquake swarm may increase the probability of a major earthquake on the San Andreas Fault to values between 0.03 percent and 1.0 percent of an additional earthquake as large or larger than the September 26 magnitude 4.3 earthquake occurring over the next 7 days, until Tuesday, October 4, 2016 at 9:00am.
Local emergency management, government, schools and the public should review their earthquake preparedness plans, maintain awareness and be prepared to take action should the earthquake occur.  Key actions should be:

  • Drop, cover and hold on
  • If driving pull to side of road and stop until shaking stops.
  • Do not stop or take cover under over passes or bridges
  • If you smell gas, evacuate the area
  • Do not handle or drive over downed power lines

Cal OES will continue to keep counties advised with updates as necessary.

California Office of Emergency Services, Southern Region (562) 795-2900

California Office of Emergency Services, Earthquake and Tsunami Program, Ryan Arba (916) 845-8132

California State Warning Center (916) 845-8911


California is earthquake country, below are some preparedness resources:

The Great California ShakeOut! Drop, Cover, and Hold On

10 ways to be prepared

FEMA: Make Plan