State Hazard Maps from CGS:
Seismically-induced Landslide Hazards ("Zones of Required Investigation")
Click on the appropriate quadrangle map and wait for the pdf to load.
Earthquake Fault Zones
for Active Faults ('Alquist-Priolo Special Studies Zones")
This link is new for fault rupture hazard
but are the older AP maps. Either search by City or address or click the
appropriate quadrangle map wait for the pdf to load.
- Note: we are in Richmond 7.5' minute Quadrangle, Oakland East is to
USGS "Best-Fit" Active Traces of the
Hayward Fault (J.J. Lienkaemper)
Alan Kropp and Associates map