The Unseen Power Beneath Our Feet Beneath our feet lies a hidden world of incredible power. The Earth’s crust is a dynamic ...

Rather, two plates move against each other, building up tension, then releasing the tension in a sudden and often violent jerk. This sudden jerk creates an earthquake. The San Andreas Fault is ...

but is generally considered to be a magnitude 8 (+/-) event on the plate boundary fault, which is the San Andreas Fault. "The stress on this fault builds up with time since the last major earthquake.

Movement along the San Andreas Fault was to blame. The North American and Pacific tectonic plates had moved past each other by more than 15 feet — compared to an annual average of two inches.

The US Geological Survey (USGS) detected five quakes along the San Andreas fault that experts ... result from the constant movement of tectonic plates, which are massive, solid slabs of rock ...