Fears over the San Andreas fault line were stoked on Monday night after a 'very heavy' earthquake rocked San Francisco. The quake struck juts after 7:45 p.m. local time on Monday and was centered ...

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 ...

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.