Scientists discover enormous pockets of salty brine beneath the Pacific Ocean, key to understanding periodic underwater ...

A major California fault once thought to be stable is quietly shifting beneath neighborhoods, schools, and it could lead to a powerful quake with no warning.

A giant swarm of earthquakes has struck Southern California near a major fault line that could unleash the infamous 'Big One' ...

Borrego Springs felt a 3.6 quake Thursday, shaking parts of northern San Diego County. Discover how to stay safe before, during, and after earthquakes.

Thousands of Southland residents are experiencing delays in garbage, recycling and compost collection as local workers join a ...