A magnitude-4.0 earthquake rattled parts of Southern California early Sunday morning.  The quake near Ontario was reported ...
A 4.0 earthquake hit near Ontario, CA, felt across the region with minor aftershocks; no significant damage reported.
A magnitude 3.1 earthquake was reported less than a mile south of Ontario International Airport early Wednesday afternoon, ...
LOS ANGELES - A magnitude 4.0 earthquake followed by several aftershocks struck Southern California Sunday morning, according ...
A magnitude 4.0 earthquake rattled the Ontario area Sunday morning, jolting some residents awake. Get caught up on this ...