California's earthquakes are far more likely to be "overdue" compared with earthquakes in the rest of the world.

A 3.4-magnitude earthquake hit off the Southern California coast, the U.S. Geological Survey reported. The 7-mile deep quake ...

Distant-source tsunami: More than 350 people could die or be injured along the Southern California coast if people wait to ...

A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about ...