A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month. Sunday's 3:51 a.

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

A magnitude-3.1 earthquake centered about two miles southeast of Ontario struck at 12:56 p.m. on Tuesday, Oct. 1, the US Geological Survey said. The earthquake was felt in Victorville, Riverside, Los Angeles, Long Beach, Mission Viejo and Oceanside, among other locations, according to the USGS intensity map .

A 3.5-magnitude earthquake struck near Ontario, California; no significant damage or injuries have been reported.

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

A magnitude 4.0 earthquake rattled the Ontario area Sunday morning, jolting some residents awake. Get caught up on this morning’s news: One year since Oct. 7 Hamas attack, Hurricane Milton nears Fla. and more in today’s edition of The Yodel newsletter

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.

A 4.0 magnitude earthquake struck near Ontario early Sunday morning, jolting many Southern Californians awake unexpectedly.

An earthquake with a magnitude of 4.0 rattled the Inland Empire early Sunday morning, shaking homes and businesses and waking residents across the region. According to the U.S. Geological Survey, the quake struck at 3:41 a.