Magnitude 3.1 earthquake strikes near Healdsburg, Calif.

A map of the Healdsburg, Calif., quake epicenter.
The quake was reported at 7:42 a.m. Thursday near Healdsburg, Calif.

A magnitude 3.1 earthquake was reported Thursday at 7:42 a.m. 10 miles from Healdsburg, Calif., according to the U.S. Geological Survey.

The earthquake occurred 12 miles from Clearlake, Calif., 15 miles from Windsor, Calif., 19 miles from Santa Rosa, Calif., and 28 miles from Rohnert Park, Calif.

The earthquake occurred at a depth of 0.9 miles.

In the last 10 days, there have been two earthquakes of magnitude 3.0 or greater centered nearby.


An average of 234 earthquakes with magnitudes of 3.0 to 4.0 occur each year in California and Nevada, according to a recent three-year data sample.

Did you feel this earthquake? Consider reporting what you felt to the USGS.

Even if you didn’t feel this small earthquake, you never know when the Big One is going to strike. Ready yourself by following our five-step earthquake preparedness guide and building your own emergency kit.

This story was automatically generated by Quakebot, a computer application that monitors the latest earthquakes detected by the USGS. A Times editor reviewed the post before it was published. If you’re interested in learning more about the system, visit our list of frequently asked questions.