A preliminary 2.7 magnitude earthquake struck near Santa Rosa, according to the United States Geological Survey.

Bad news: The 'big one' might be an even bigger one.

Seismic modeling powered by supercomputing is reshaping infrastructure planning, leading to smarter, more resilient designs ...

An earthquake with a magnitude of 3.0 shook near San Bernardino County on Monday night, according to the U.S. Geological Survey. USGS reported the quake hit about 9.9 miles northnortheast of ...

An earthquake with a preliminary magnitude of 3.5, the third above 3.0 in Southern California in the last several hours, struck the Inland Empire on Saturday afternoon.

An earthquake with a preliminary magnitude of 3.5 rattled the L.A. metropolitan area early Saturday just hours after a ...

Flash Flood Warnings have been issued for parts of Southern California as heavy rain continues. The weather has already caused debris flows in Sierra Madre.

The current head of the federal agency that oversees one of the wastewater treatment plants at the center of the Tijuana ...

A US Navy EA-18G Growler jet plunged into San Diego Bay, with both pilots ejecting just moments before impact. The dramatic ...

Crews have rushed to clear out basins designed to catch mud, rocks and other debris from tumbling into neighborhoods as ...

LOS ANGELES (KTLA) – A deadly crash involving a wrong-way driver forced the closure of the southbound 405 Freeway through the ...