California was hit by multiple earthquakes on Wednesday, just days after a major 5.2 magnitude quake rocked the state.

Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous ...

UCSD’s Englekirk Structural Engineering Center is testing a 10-story cold steel-form structure on the world’s largest shake ...

Millions of people across Southern California learned about a 5.2-magnitude earthquake that hit San Diego County on Monday ...

Scientists at Caltech are using AI to translate what frequent, small earthquakes can tell us about what’s happening below the ...

The United States Geological Survey recorded a preliminary earthquake of 5.2 about 2.5 miles south of Julian on Monday ...

A magnitude 5.2 earthquake near Julian rattled much of Southern California and Tijuana just after 10 a.m. Monday, prompting brief evacuations in downtown San Diego and shaking cities as far away as ...

The United States Geological Survey recorded a preliminary earthquake of 5.2 about 2.5 miles south of Julian on Monday ...

Many users reported receiving alerts on their phones before Monday's magnitude 5.2 temblor in Southern California.

FULLERTON — The Cal State Fullerton and Long Beach State softball teams took their Big West Conference title chase down to the regular-season finale, but Fullerton rallied to win the second game ...