USGS have looked at the fault USGS: The San Andreas Fault USGS USGS The San Andreas Fault 50 mm per year! San Andreas fault Falla de San Andrés USGS San Andreas fault system major earthquake San Andreas Fault San Andreas fault - USGS San Andreas fault - USGS San Andreas Fault U.S. Geological Survey San Andreas U.S. Geological Survey: The San Andreas Fault Porucha San Andreas USGS: The San Andreas Fault