Andreas — Subtitle San

California has invested billions in retrofitting bridges and older "soft-story" buildings to withstand lateral forces.

The San Andreas is a , meaning two tectonic plates are sliding past each other horizontally. subtitle San Andreas

Stretches from the Coachella Valley to the Salton Sea. This area is of particular concern to seismologists, as it hasn't seen a major rupture in over 300 years, suggesting it is heavily "loaded" with tectonic stress. 3. Impact on Landscape and Infrastructure California has invested billions in retrofitting bridges and

The San Andreas Fault is perhaps the most famous geological feature in the world, slicing through California like a jagged scar. For scientists, it is a laboratory for plate tectonics; for residents, it is a constant reminder of the "Big One." 1. A Masterpiece of Plate Tectonics This area is of particular concern to seismologists,

Runs from Hollister through the Santa Cruz Mountains and San Francisco, eventually heading out to sea at Point Arena. It was responsible for the devastating 1906 San Francisco earthquake .

(on the west) is moving northwest relative to the North American Plate (on the east).