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

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

The 5.2-magnitude earthquake on Monday shook the ground and nerves in San Diego, but some scientists were already scanning the ocean floor for tremors.

In this type of fault, the block of rock above the fault plane, known as the hanging wall, moves downward relative to the block below, called the footwall. Normal faults are typically found at ...

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 ...

Newly discovered aseismic events triggered by the 2023 Kahramanmaraş earthquake may represent a mode of fault slip between earthquakes and slow-slip events that researchers have long been seeking.