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

In California's East Bay, a recent swarm of small earthquakes has pushed long-standing seismic risks back into public view.

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 ...