This large fault zone is responsible for Monday's temblor and experts believe it's time for more people to learn about it.

April 16, 2026 (Julian) -- While the 5.2 earthquake centered in Julian Monday was minor, the Elsinore Fault that produced it ...

The Elsinore fault, a major seismic threat in Southern California, could unleash a devastating magnitude 7.8 earthquake. Recent activity highlights its potential danger, urging awareness and ...

Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, geologists look ...

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