Welcome to the California Department of Conservation

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PLEASE NOTE: You will be redirected shortly to the new Landslide Inventory Maps web page.

The California Geological Survey (CGS) has developed the Landslide Inventory Map Series to provide additional information to geotechnical professionals, local government personnel, as well as property owners and developers who use Seismic Hazard Zone Maps. Earthquake-induced landslide zones of required investigation include inventories of known landslides, but previously these inventories were only available as small-scale plates in seismic hazard zone reports. To learn more about the Landslide Inventory Map Series, click here.
Contact us for any questions/comments.

Search your area of interest by selecting a region or using the map tools.
(Red boxes represent areas where Landslide Inventory Maps are available, click on them to find the downloads to the maps or go to the bottom of this page for an alphabetized list of maps. )

Search by region:

Altamont Quadrangle
Calaveras Reservoir Quadrangle
Dublin Quadrangle
Lick Observatory Quadrangle
Livermore Quadrangle
Milpitas Quadrangle
Morgan Hill Quadrangle
Mt. Sizer Quadrangle
Niles Quadrangle
San Jose East Quadrangle
San Jose West Quadrangle
Santa Teresa Hills Quadrangle

Acton Quadrangle
Azusa Quadrangle
Agua Dulce Quadrangle
Burbank Quadrangle
Glendora Quadrangle
Juniper Hills Quadrangle
Mt. Wilson Quadrangle
Murrieta Quadrangle
Pasadena Quadrangle
Redondo Beach Quadrangle
San Pedro Quadrangle
Torrance Quadrangle
Valyermo Quadrangle