A preliminary 3.1 magnitude quake was reported near Petrolia Saturday morning, according to the U.S. Geological Survey.

This is read by an automated voice. Please report any issues or inconsistencies here. A major earthquake hasn’t struck any of California’s biggest cities in more than three decades, but experts and ...

MEXICO.- Yesterday, an earthquake with a 5.3 magnitude registered on the Richter scale, was felt on the south of the peninsula of Baja California. There were no reports of any injuries or material ...

SAN DIEGO COUNTY, CA - the U.S. Geological Survey reported that a 2.7 magnitude quake shook near Borrego Springs around midday Saturday. The tremor rattled the area at 1:15 p.m. It occurred at a depth ...

Two 3.7 magnitude earthquakes struck southeast San Ramon beginning at 9:38 a.m. Sunday morning, according to the U.S.

When the tectonic subduction zone beneath the Pacific Northwest moves, it does so in dramatic fashion. Not only is ground shaking from a magnitude 9+ earthquake incredibly destructive, the event ...

A major earthquake hasn't struck any of California's biggest cities in more than three decades, but experts and officials say the so-called "Big One" is a matter of when, not if. And the risk is far ...