RIVERSIDE COUNTY, CA - A preliminary 3.1 magnitude quake rattled close to San Jacinto on Sunday morning, according to the U.S ...

A 3.2-magnitude earthquake struck the Long Beach area after midnight Friday. The quake hit around 12:45 a.m. about 1 mile ...

MINERAL COUNTY, NV - A preliminary 2.6 magnitude quake shook near Mina at midnight on Sunday, the U.S. Geological Survey ...

California weather officials moved to calm tsunami fears Friday after a powerful magnitude 7.7 earthquake struck Panama, ...

RIVERSIDE COUNTY, CA - A preliminary 2.5 magnitude quake occurred near Anza on Friday afternoon, according to the U.S.

Hundreds of earthquakes rattled California over the weekend. Here's what experts say about the activity and the risk of the next 'Big One.' ...

Scientists have modeled a major rupture of the San Andreas Fault and the results are severe. One widely cited scenario ...

A magnitude-3.7 earthquake was reported Monday afternoon off the Southern California coast. The earthquake at 1:22 p.m. was ...

Recent research indicates elevated stress levels at Cajon Pass, affecting interactions between the San Andreas and San ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers at a public university in California say they have developed a way to identify the most likely locations of some of ...