Contact the California Geological Survey

On this page:
CGS Offices | CGS Programs | CGS Web Site

CGS Offices

Sacramento (HQ)

Office of the State Geologist

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 445-1825
Fax: (916) 445-5718
cgshq@conservation.ca.gov

San Francisco Bay Area

1900 S. Norfolk St., Suite 300
San Mateo, CA 94403
Tel: (650) 350-7307
Fax: (650) 350-7312
cgshq@conservation.ca.gov

Southern California

320 West 4th St., Suite 850
Los Angeles, CA 90013
Tel: (213) 239-0894
Fax: None
cgshq@conservation.ca.gov

CGS Programs

Forest and Watershed Geology Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 322-5926
Fax: (916) 323-9264
fwgp@conservation.ca.gov
FWGP web page

Regional Geologic and Landslide Mapping Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 327-2759
Fax: (916) 322-4765
rghmp@conservation.ca.gov
RGLMP web page

Mineral Resources Program (and Mineral Hazards)

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 445-1825
Fax: (916) 324-6490
minerals@conservation.ca.gov
MRP web page

Seismic Hazards Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 327-2759
Fax: (916) 445-3334
shmp@conservation.ca.gov
SHP web page

Strong Motion Instrumentation Program

715 P Street, MS 1903
Sacramento, CA 95814
Tel: (916) 322-3106
Fax: (916) 323-7778
cgssmip@conservation.ca.gov
SMIP web page

Geological Survey Library

715 P Street, MS 1902
Sacramento, CA 95814
Tel: (916) 327-1850
Fax: (916) 327-1853
cgslibrary@conservation.ca.gov
Library web page

Publications Sales Desk

715 P Street, MS 1902
Sacramento, CA 95814
Tel: (916) 327-1850
Fax: (916) 327-1853
cgspubs@conservation.ca.gov
Publications web page

CGS Web Site

Online maps and GIS concerns

Email the GIS Coordinator

All other CGS web site concerns

Email the CGS Webmaster

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