The California Geologic Survey released maps Tuesday for Alameda, Monterey and San Mateo counties. The interactive maps allow users to insert an address to determine if the property is subject to ...

SACRAMENTO -- The California Geological Survey has released updated tsunami hazard maps for seven counties to help users determine whether they are in areas at risk for inundation and for planning.

SAN JOSE, Calif. (AP) — California geology officials have released an updated seismic map that includes more than 50 new fault lines discovered over the last two decades. The officials hope the ...

The California Geological Survey announced Thursday a new, interactive tsunami hazard map is online for Orange County that officials say can be helpful in planning evacuations should one of the ...

Developed by the California Geological Survey, these regulatory Alquist-Priolo Earthquake Fault Zone maps detail where local governments must require site-specific geologic and engineering studies ...