Please Note: This is an archived website. It is recommended to search on-line for revised or newer information.

USGS - science for a changing world

GMEG - Geology and Geophysics


On-line Digital Geologic Map Database
spacer bar

The USGS has produced an on-line digital catalog of geologic maps and GIS databases for the San Francisco Bay region that are available for viewing and downloading in several different file formats.

HELP AVAILABLE: Click here to learn more about the file formats of our data and how you can use them.

The following index map is linked to this database by county, quadrangle, and areas of special interest. Click on any name to view maps of that region. If a name is not clickable, there are no maps currently available.

SFBAY Image Map Loma Prieta Alameda County Contra Costa County San Mateo County Santa Cruz County Santa Clara County Monterey and Seaside Napa  30x60 Quadrangle Palo Alto 30'x60' Quadrangle San Francisco 30'x60' Quadrangle San Jose 30'x60' Quadrangle Cordelia and Benicia 7.5' x 7.5' Quadrangles Maps of the entire Bay Area Point Reyes National Seashore Hayward Fault Zone Landslide Publications Elevation Maps By County Slope Maps by County Sonoma County Napa County Marin County Solano County San Francisco County Oakland Metropolitan Area

To view this geologic map database in a list format, click here.

spacer bar

Return to Geologic Mapping

San Francisco Bay Project Home Page
Return to San Francisco Bay Geology Home Page

spacer spacer spacer spacer spacer spacer spacer spacer spacer spacer spacer

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: GMEG Webmaster
Page Last Modified: 13-Dec-2016@16:45