This is a concern that some cities along the San Francisco Bay are sinking at an alarming rate, according to a new NASA-led study, examining the shorelines.

A preliminary 2.7 magnitude earthquake struck near Santa Rosa, according to the United States Geological Survey.

A 4.6 magnitude earthquake shook the United States on Tuesday morning. The United States has been home to several earthquakes over the past couple of months. Northern California was hit by a 7.0 ...

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.