Do you live near an earthquake fault? This layer shows surface faults traces that are believed to be sources of M 6+ earthquakes during the Quaternary geologic period (past 1.6 million years).
Google Earth File
In this layer, the fault colors represent age of last movement on the fault, from 1.6 million years ago to the present.
Google Earth software enables you to zoom in beyond the level of accuracy provided in these data layers.