Earthquake: Magnitude 3.8 quake recorded in Concord, Calif.

A map shows the location and shaking intensity of an earthquake in Concord, Calif.
The USGS recorded a magnitude 3.8 quake in the Northern California city of Concord on Thursday morning.
(U.S. Geological Survey)

A magnitude 3.8 earthquake was reported at 11:18 a.m. Thursday in Concord, Calif., according to the U.S. Geological Survey.

The earthquake occurred one mile from Pleasant Hill, Calif., two miles from Martinez, Calif., two miles from Walnut Creek, Calif. and two miles from Bay Point, Calif..

In the last 10 days, there has been one earthquake 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.

The earthquake occurred at a depth of 4.1 miles.

Did you feel this quake? 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.