The California Earthquake Hazards Zone Application ("EQ Zapp") is an online map that allows anyone with a computer, tablet or smartphone to conveniently check whether a property is in an earthquake hazard zone.
With EQ Zapp, you can type in an address or use the location capability of your computer or mobile device to determine whether a property lies within any of CGS’s mapped earthquake hazard zones.
Read More: http://www.conservation.ca.gov/cgs/Pages/SH_EQZ_App.aspx