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

A 6.3-magnitude earthquake was reported in Indonesia on Tuesday (August 12), according to the United States Geological Survey ...

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

SAN BERNARDINO COUNTY, Calif. - Three earthquakes struck in the Inland Empire overnight, data from the U.S. Geological Survey shows. The USGS said the first two temblors happened in Ontario. The first ...

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

A preliminary 3.5-magnitude earthquake rattled Rialto on Tuesday, according to the United States Geological Survey.

A preliminary 4.4-magnitude earthquake struck Southern California Thursday morning, according to the U.S. Geological Survey.

A magnitude 4.4 earthquake hit Southern California on Thursday morning, according to the U.S. Geological Society.

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.

The Tintina fault hasn’t produced a large earthquake in 12,000 years, but that could soon change, researchers warn.

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey. One quake hit Rialto, California, in the ...