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Tsunami in Sonoma County

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A tsunami is a series of ocean waves caused by large displacement of water, such as earthquakes, underwater landslides, volcanic eruptions, or asteroids. The Pacific Ocean Coast and Caribbean have the greatest tsunami risk in The United States. To learn how to prepare for a tsunami, visit the prepare page.

Alerts, warnings & orders

There are no current tsunami emergency events in Sonoma County, however this page will populate with the latest information in the case of a critical incident.

Earthquake in Sonoma County

Earthquake in Sonoma County 150 150 Sonoma County Emergency and Preparedness Information

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On Saturday, June 22, 2024, at 0900, a major earthquake occurred in the East San Francisco Bay. Preliminary reports indicate a 7.0 magnitude earthquake on the Hayward Fault, with an epicenter near the city of Fremont. The rupture has resulted in ground shaking and damage within 19 California counties, including throughout Sonoma County.

Highway blockages include I-80, I-280, I-580, I-680, I-880, and US 101. The public should not travel on roadways as major gridlock occurs.

The Bay Area Air Quality Management District is issuing an air quality advisory for smoke for Wednesday, June 26, due to smoke from numerous earthquake-related fires around the Bay Area.

There are currently two County-run shelters open to the public:

  • Santa Rosa Veteran’s Memorial Building
    • 1351 Maple Ave
    • Santa Rosa, CA 95404
  • Petaluma Veterans Building
    • 1094 Petaluma Blvd S
    • Petaluma, CA 94952

Donations including water, non-perishable food, cash and gift cards can be made to donations.cvnl.org or by calling 873-449-7869