Several small earthquakes hit the Inland Empire early Wednesday morning, but there were no reports of damage. Ontario saw two ...

A widespread power outage cut service to thousands of customers and forced the closure of several schools in the San ...

A magnitude 3.5 earthquake was reported Tuesday at 4:54 p.m. in Rialto, according to the U.S. Geological Survey.

A magnitude 3.5 earthquake struck in San Bernardino County on Tuesday afternoon, causing shaking felt as far as Los Angeles ...

The massive magnitude 8.8 earthquake that struck off Russia's Kamchatka Peninsula last week has triggered the activity of ...