The quakes come as California sees the effects of an atmospheric river that has caused flash flooding, rescues, and ...

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

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 collective consciousness.

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 collective consciousness.

Drop. Cover. Hold on. That’s the three-part jingle every Californian learns to stay safe in earthquake country. Scientists forecast a more than 99% chance that earthquakes of 6.7 magnitude or larger ...

For millions of Californians, the ground did not simply shake once and fall silent. It pulsed again and again over roughly ...

Seismologists are closely monitoring California's fault lines as concerns grow about the possibility that the "Big One" could happen soon. The "Big One" refers to a massive earthquake that could occur ...

At least seven earthquakes have struck in California in the last 24 hours, according to data from the United States Geological Survey (USGS). The quakes range in size from a 2.5 magnitude up to a 4.1 ...