The Southern California Landforms map is something special. Coastal Southern California has been sliding rapidly north and west along the San Jacinto and Elsinore Fault portions of the great San Andreas system for at least 12 million years, throwing up high and extremely steep mountains. The sharply triangular shape of the westernmost Mojave Desert has its apex at the junction of the Garlock and San Andreas Faults, site of the great Tejon earthquake of 1857. Southern California displays its tectonic history in unmistakable form

Dimensions: All map dimensions are approximate.