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

A third earthquake has rocked San Bernardino after the area was hit by two others earlier, raising fears of a serious seismic incident on the San Andreas fault. The US Geological Survey reported the ...

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.