While the Ferry Building survived the 1906 earthquake, a previously unreported engineering analysis shows the risks to the building, plaza and the iconic clock tower in San Francisco.

Emergency officials say it’s critical that community members act now to prepare for an earthquake given the chances of a large one striking the region and the unpredictable nature of such a disaster.

The area is "prone to earthquake swarms," officials say.

A flurry of seismic activity recently has struck Nevada, including a magnitude 5.7 earthquake 45 miles east of Reno that was ...