The quake was mostly felt in the San Bernardino County cities and areas of Ontario, Rancho Cucamonga, Eastvale and Chino.

LOS ANGELES - A magnitude 4.0 earthquake followed by several aftershocks struck Southern California Sunday morning, according ...

A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest ...

A magnitude-4.0 earthquake rattled parts of Southern California early Sunday morning.  The quake near Ontario was reported ...

A magnitude 3.1 earthquake was reported less than a mile south of Ontario International Airport early Wednesday afternoon, ...

A 3.5-magnitude earthquake shook the Southern California area, the U.S. Geological Survey reported. The about 3-mile deep ...

A 4.0 earthquake hit near Ontario, CA, felt across the region with minor aftershocks; no significant damage reported.

A 4.1-magnitude earthquake near Ontario shook parts of Southern California on Sunday morning, Oct. 6, the U.S Geological ...

Shaking was reported in communities east of Los Angeles due to a magnitude-3.1 earthquake in Ontario. The quake with a depth ...

An earthquake shook communities in Central California on Tuesday, according to the U.S. Geological Survey. The magnitude 4.0 ...

A magnitude-3.1 earthquake centered about two miles southeast of Ontario struck at 12:56 p.m. on Tuesday, Oct. 1, the US ...