A magnitude 3.9 earthquake about 4 miles northwest of Lake Elsinore struck at 9:39 a.m. on Thursday, Aug. 15.
A 3.0 aftershock hit one minute later, according to the U.S. Geological Survey.
What to know about California’s earthquake early warning system, MyShake
People reported feeling the earthquake in Riverside, Hemet and Orange County, the USGS said.
A 4.0 earthquake is capable of causing only very minor damage in most cases.
This story is developing. Please check back for updates.
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