A 3.5-magnitude earthquake near Ontario shook parts of Southern California on Saturday morning, Sept. 7, the U.S Geological Survey reported. The 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.

A preliminary 3.9-magnitude earthquake was reported near Ontario Saturday morning after another quake, according to the U.S. Geological Survey.

At 10:34 a.m., a 3.9-magnitude quake hit 3.7 miles north-northwest of Eastvale, near the 3.5-magnitude quake close to Ontario and Eastvale around a half hour earlier. the U.S Geological Survey reported.