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Real-time earthquake monitoring for Hercules and surrounding areas within 25 miles. Located in the Berkeley / Oakland / Piedmont region along the Hayward Fault.
Hercules is located in Contra Costa County, California, one of the most seismically active regions in the United States. The city sits within the San Francisco Bay Area, which is traversed by several major fault systems.
The nearest major fault to Hercules is the Hayward Fault. This fault system is capable of producing earthquakes that could cause significant ground shaking in the area. Residents are encouraged to be prepared with emergency supplies and an earthquake plan.
Learn essential safety tips for before, during, and after an earthquake in Hercules.
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