A 4.1-magnitude earthquake near Ontario shook parts of Southern California on Sunday morning, Oct. 6, the U.S Geological Survey reported.
The quake, at 3:51 a.m., was centered at 4.3 miles southeast of Ontario, 4.5 miles north, northwest of Eastvale, 4.9 miles north, northwest of Jurupa Valley and 5.6 miles south of Rancho Cucamonga , according to a preliminary report by the USGS.
It occurred at a depth of about 3 miles.
Light shaking was recorded throughout the Inland Valley...