Step 0: Download fault rupture kmz file from Ridgecrest SCEC Response. Open it in GoogleEarth/GoogleEarthPro. Remove smaller rupture traces. Resave as kml file.
ogr2ogr RidgecrestSurfaceRuptures_4faults.shp RidgecrestSurfaceRuptures_4faults.kml
ogr2ogr RidgecrestSurfaceRuptures_4faults_0.003.shp RidgecrestSurfaceRuptures_4faults.shp -simplify 0.003
faulttrace_shp2jou.py -i RidgecrestSurfaceRuptures_4faults_0.003.shp -lat 35.7665 -lon -117.6048