The Rialto Fire Department reported that a series of small earthquakes shook the northwestern portion of the city Thursday ...

The earthquake followed a pair of smaller earthquakes in the Inland Empire. At 8:34 a.m., a 3.0 magnitude earthquake hit ...

A magnitude-4.3 earthquake struck San Bernardino Thursday morning, shaking parts of Southern California. No major damage or ...

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

A light, 4.3-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

A 4.3-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 3-mile deep ...

A 4.4-magnitude earthquake centered just west of Muscoy, and north of San Bernardino, rattled Southern California at 9:32 a.m ...

A 4.3-magnitude earthquake struck the Inland Empire Thursday morning, according to the U.S. Geological Survey.

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

Hours after a powerful earthquake struck off Russia's Kamchatka Peninsula, the region's highest volcano began erupting.

A preliminary magnitude-4.3 earthquake and smaller quakes in the San Bernardino area produced shaking Thursday morning that was felt over widespread parts of Southern California. The quake, reported ...

Back-to-back earthquakes hit the Southern California area less than a minute apart Monday, July 28, the U.S. Geological Survey reported. Each earthquake was about 7 miles deep and hit a little more ...