Earthquake: 3.3 quake strikes near Sonoma, Calif.

A shallow magnitude 3.3 earthquake was reported Sunday afternoon eight miles from Sonoma, Calif., according to the U.S. Geological Survey. The temblor occurred at 12:31 p.m. Pacific time at a depth of 0 miles.



The USGS later updated its report, moving the epicenter of this earthquake north to the Geysers and reducing its estimated magnitude to 3.1. Hundreds of small tremors in the area caused by thermal activity caused an error in the state's earthquake detection system that was later corrected, according to California's State Geologist John Parrish. The Geysers "is where nature put it," Parrish said. "Our readings of where it was changed."


According to the USGS, the epicenter was three miles from Kenwood, Calif., six miles from Rohnert Park, Calif., eight miles from Santa Rosa, Calif., and 60 miles from Sacramento, Calif.

In the past 10 days, there has been one earthquake of magnitude 3.0 or greater centered nearby.

This information comes from the USGS Earthquake Notification Service and this post was created by an algorithm written by the author.

Read more about Southern California earthquakes.

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