Earthquake: Magnitude 3.5 quake reported in Fontana

Map showing where a magnitude 3.5 earthquake was felt early Saturday in Fontana.
A magnitude 3.5 earthquake was reported early Saturday in Fontana.
(U.S. Geological Survey)

A magnitude 3.5 earthquake was reported at 1:22 a.m. Saturday in Fontana, according to the U.S. Geological Survey.

The earthquake occurred less than a mile from Rancho Cucamonga, two miles from Rialto and four miles from Ontario and Bloomington, Calif.

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


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

The earthquake occurred at a depth of 2.6 miles. Did you feel this earthquake? Consider reporting what you felt to the USGS.

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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.