Shaking was reported in communities east of Los Angeles due to a magnitude-3.1 earthquake in Ontario.
The quake with a depth of about 3.5 miles was reported at 12:56 p.m.
Weak to light shaking was reported in Ontario, Rancho Cucamonga, Fontana, Upland, Riverside and other areas.
Get top local stories in San Diego delivered to you every morning. >Sign up for NBC San Diego's News Headlines newsletter.
Smaller quakes, ranging in magnitude from 1.0 to 1.8, were reported within an hour of the magnitude-3.1 earthquake. Those were centered near Ontario, Corona and Home Gardens.
Refresh this page for updates.