Now, the bulge of material trapped between these same two plates is being ejected towards the east, thanks in part to the Sagaing fault. As far as faults are concerned, the San Andreas Fault in ...

A section of the San Andreas fault where earthquakes occur regularly may give off a distinct signal before it trembles to life, new research finds. The signal hints at the opening and closing of ...

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.

It had a depth of 4.6 miles and, just like all the ones on Wednesday night into Thursday morning, occurred along the San Andreas Fault. That second quake was an aftershock, CalTech researchers said.

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 ...

The place is so peaceful that you’d hardly guess that the San Andreas Fault, that tumultuous collision of two vast tectonic plates, runs directly under the water in front of you. It bisects ...