California geology evidences faulting, folding, alluvial and sedimentary deposition, and volcanic activity.California is a region of frequent seismic activity. The San Andreas Fault system extends for 500 miles. Its movement is largely horizontal, with the west side of the fault moving northward and the east side moving southward. More test answers on https://studyhippo.com/california-geography-domain-3-1-the-physical-geography-and-topography-of-california-represents-great-diversity-37898/