Researchers have identified an actively creeping section of the Concord Fault running through local communities in California ...

A 4.3-magnitude earthquake jolted a lake shoreline Friday, July 11, in Southern California, the U.S. Geological Survey ...

In Japan, swarms of earthquakes are fueling a dip in tourism and a viral panic over predictions of the next 'big one' ...

A 3.3-magnitude earthquake hit Northern California Monday evening near Los Banos, about 30 miles from San Jose. No damage ...

CALIPATRIA– A 4.3-magnitude earthquake struck near the Salton Sea early Friday morning, jolting residents and triggering a ...

On Tuesday afternoon, a magnitude 2.7 earthquake hit the Los Angeles area, sending tremors through Southern California. Its epicenter was located approximately a mile northeast of Sherman Oaks, just ...

A spate of notable quakes have rattled Southern California in recent months — a reminder that the last three decades of relative seismic quiet won’t last forever.

Monday’s 4.4 magnitude earthquake that jolted the Los Angeles area is part of a broader trend of increased seismic activity in Southern California that is likely to continue, according to the ...

Hundreds of small earthquakes were detected at Mount Rainier on Tuesday in the largest such swarm at the active stratovolcano ...

About 5% to 10% of all California earthquakes are followed by a larger one within a week, and the probability of a larger quake depends on how much aftershock activity there is, according to the USGS.

What does the heightened earthquake activity in Southern California mean? SFGATE asked an expert.