Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in ...

A small 3.3 magnitude earthquake struck near San Ramon, California, late Monday night local time, the U.S. Geological Survey (USGS) said. The epicenter, about 2.5 miles from San Ramon, and the quake’s ...