A pair of earthquakes hit Southern California on Saturday morning, Sept. 7, with the second one, or aftershock, packing more of a jolt. At 10:34 a.m., a 3.9-magnitude quake hit 4.4 miles east, southeast of Ontario, 4.7 miles north, northwest of Eastvale, 4.7 miles west, northwest of Jurupa Valley and 5.3 miles south of Rancho Cucamonga, the the U.S Geological Survey reported. The first quake, at 10:05 a.m., was centered 4.3 miles southeast of Ontario, 4.4 miles north-northwest of Eastvale and 5.5 miles east of Chino, according to the USGS’s preliminary report. Both occurred at a depth of about three miles. No injuries or damage were immediately reported. The second, more intense quake was felt mostly in Riverside and Orange counties but also in Long Beach and West Covina, according to the USGS. Related Articles Crime and Public Safety | Evacuations ordered in Highland for Line fire, now at 3,330 acres, no containment Crime and Public Safety | Woman passenger shot on 91 Freeway in Riverside Crime and Public Safety | San Bernardino County jurors get massive pay raise under state pilot program Crime and Public Safety | Ex-Mafia hitman serving life gets more time in the slaying of gangster James ‘Whitey’ Bulger Crime and Public Safety | Line fire near Highland now at 3,300 acres, prompting evacuation warnings