Liquefaction Zones and Faults

The following map shows active surface fault traces and zones mapped by the California Geological Survey as required by the Alquist-Priolo Earthquake Fault Zone Act. The black triangles show DTSC Permitted Facilities.

Zoom in further to view liquefaction susceptibility

image courtesy of USGS Legend for Liquefaction Susceptibility Layer

Image courtesy of USGS Legend For Alquist-Priolo Faults