A 4.2-magnitude earthquake struck at 6:16 p.m. on Friday, March 31, four miles from the southwest Riverside County community of Aguanga.
The earthquake was reported at a depth of about 8 miles.
The quake was felt in Hemet, Riverside, Rialto, Orange County, Oceanside, San Diego and Encinitas, according to the U.S. Geological Survey.
The quake was initially reported on some apps at a 4.5 magnitude.