San Francisco Bay Region Geology and Geologic Hazards

Quaternary Map of the San Francisco Bay Area

Follow the instructions in the right hand navigation pane. Related information is listed below the map. (Note: The following map below requires the Shockwave player to view. You can download the Shockwave player here. external link - link policy applies)

Note: This map should not be used to evaluate potential earthquake hazards. It is intended for educational and general-interest purposes only.

More detailed maps and information about earthquake hazards in the region can be obtained online from USGS, California Geological Survey External link - link policy applies, and Association of Bay Area Governments External link - link policy applies.

Related Stories

Learn more about the labeled points on the map above.

  1. Hayward - Creeping fault
  2. Crystal Spring Reservoir, San Mateo County - Faulted Landscape
  3. El Cerrito - Faulted Landscape
  4. Sonoma County Coast - LIDAR Fault Mapping
  5. Fremont and Milpitas - Faulted Quaternary Sediments
  6. Fremont - Trench on the Hayward Fault
  7. San Mateo County coast - A Small fault
  8. Stanford University - 1906 Damage
  9. San Francisco - 1906 Damage
  10. Santa Rosa - 1906 Damage
  11. Marin County - 1906 Surface Fault Rupture Effect
  12. Santa Cruz County - 1906 Surface Fault Rupture Effect



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Page Last Modified: 8/18/2006