Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state's ...

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 ...

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

A 5.2-magnitude earthquake struck near San Diego at 10:08 a.m. Monday, according to the U.S. Geological Survey. The quake's ...

A herd of African elephants instinctively circled their young in a protective huddle as a 5.2 magnitude earthquake near the ...

An earthquake that shook Southern California today was centered near the community of Julian, about 45 miles northeast of San ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

A powerful 5.2 magnitude earthquake rattled the San Diego County area Monday morning but did not appear to cause any major ...

The 5.2 quake was centered near Julian. There were no immediate reports of major damage or injuries but some residents ...

Shaking was reported in parts of Los Angeles Monday morning from a magnitude-5.2 earthquake more than 100 miles away in San ...