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 ...

A 5.2-magnitude earthquake shook Southern California on Monday morning, sending boulders tumbling onto rural roadways outside ...

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

In today's Daily Briefing we report on an earthquake felt in the city on Monday, what's next in a superintendent search, and efforts to change the schedule for a bridge project in South Palm Springs.

Ammon News - 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 epicenter was recorded 2.49 miles south of Julian, in San Diego ...

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 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 ...