California Earthquake Risk

Now is the time to prepare

California is home to 15,700 known faults, and scientists discover more each year

Earthquake fault locations, recent earthquakes in the past 7 days, and earthquake risk in California.

Most California residents live within 30 miles of an active fault.

Use the Slides widget to view active faults near major California cities.

There is a 99 percent chance of one or more magnitude 6.7+ earthquakes occurring in California within the next 30 years.


Now is the time to prepare for an earthquake event.

For more information about how to prepare for and stay safe during an earthquake, see the following resources: