A magnitude 3.9 earthquake struck near Ontario at 10:34 a.m., Wednesday, according to the U.S. Geological Survey.

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

Earthquakes’ sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches. They can happen anywhere, but they’re ...

A total of four earthquakes rocked the Inland Empire overnight, meaning the region experienced five quakes across a 13-hour ...

Original article source: More earthquakes shake Southern California after pair of quakes rattle nation's most populous metros ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

The quakes struck near Rialto, Ontario and Lytle Creek in San Bernardino County, producing weak to light shaking, according ...

A series of earthquakes shook Ontario on Saturday morning, according to the U.S. Geological Survey. The first quake, with a magnitude of 3.5, hit at approximately 10:05 a.m., centered about 3 ...

Two earthquakes with magnitudes 3.5 and 3.9 rattled the Inland Empire on Saturday. The United States Geological Survey reported the first temblor occurred at 10:05 a.m. in Ontario.

Ontario has had one modest quake since all this, on Sunday, when the city had a 2.8. Frankly, we’ve seen better. (If any tectonic plates are reading this: Don’t take that as a challenge!