Ontario, earthquake and Southern California
The second earthquake struck at 10:34 a.m. in Ontario. This one also happened about 3 miles southeast of the city and at a depth of 3 miles. Residents in Chino, Corona, Pasadena, Montebello and ...
It was a magnitude 3.5. That was later followed by a 3.9 earthquake at 10:34 a.m., with its center about 4.4 miles southeast of Ontario and 4.7 miles northwest of Jurupa Valley in Riverside County ...
More than a dozen aftershocks followed a 3.9-magnitude earthquake that struck the Inland ... had an epicenter about three miles southwest of Ontario, according to the U.S. Geological Survey.
A magnitude-3.1 earthquake centered about two miles southeast of Ontario struck at 12:56 p.m. on Tuesday, Oct. 1, the US ...