A third earthquake struck California in less than six hours, this one rocking the city of Hayward near San Francisco and San ...

This is the fourth eartquake to hit California with others felt across the region including shaking in San Bernardino, ...

This sudden jerk creates an earthquake. The San Andreas Fault is undoubtedly the most famous transform boundary in the world. To the west of the fault is the Pacific plate, which is moving northwest.

That two inches -- the average distance the San Andreas fault moves each year -- has the potential to unleash an earthquake of epic proportions directly under the San Francisco and San Jose area ...

such as the San Andreas Fault in California," says Boyd. The agency found that greater humidity in the eastern half of the country causes the processes to "happen faster so that evidence of fault ...