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

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

A 4.3-magnitude earthquake struck the Inland Empire 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 light, 4.3-magnitude earthquake struck in Southern California on Thursday, 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 4.3-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 3-mile deep ...

An earthquake with a magnitude of 4.3 struck about 5 miles from Fontana around 9:30 a.m. Wednesday and was felt around ...

Since the tsunami hit beaches in Los Angeles and Orange counties around 2 a.m., police in several coastal cities reported no ...

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

A swarm of earthquakes, including one with a preliminary magnitude of 4.3, shook the Inland San Bernardino County on Thursday morning. According to the U.S. Geological Survey, the quake struck at 9:32 ...

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