RANCHO CUCAMONGA, Calif. - A preliminary 3.2-magnitude earthquake struck Wednesday morning in San Bernardino County, the U.S. Geological Survey said. The quake was reported at 5:24 a.m. about 6 miles northwest of Rancho Cucamonga.
It was recorded at a depth of about 1 mile.
According to USGS, the tremblor was felt in San Bernardino, Orange and Riverside counties.
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There were no immediate reports of damage or injuries. While there are many variables involved, geologists say damage does not usually occur until the earthquake magnitude reaches somewhere above 4 or 5.
USGS provides information about earthquakes by state and preparedness information, including helpful information for those in California.