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 ...

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

Residents living in the Inland Empire may have been woken by a series of earthquakes that shook the area during the early morning hours on Wednesday. The first was a 3.5 magnitude quake that ...

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 ...

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

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

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

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

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

This morning, three earthquakes struck the Inland Empire, with the last reaching parts of Los Angeles and San Diego counties ...