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.