Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

A swarm of at least a dozen earthquakes reaching up to magnitude 3.9 rattled San Ramon near San Francisco, the U.S. Geological Survey reports. The other quakes in the Saturday, Dec. 21, swarm ranged ...

Add Yahoo as a preferred source to see more of our stories on Google. Northwest Louisiana recently experienced a 4.9 magnitude earthquake, with residents reporting beds shaking and walls vibrating.