Mt. Soledad landslide in La Jolla, CA - October 2007

California Geological Survey

​​​​​​​​​​​​​​​​​The California Geological Survey is one of the oldest geological surveys in the nation. Our mission is to provide scientific products and services about the state's geology, seismology, and minerals that affect the health, safety, and business interests of the people of California. –“Altiora Petimus” (We Reach Higher)



2021 California Geological Survey Calendar Now Available2021 California Geological Survey Calendar Now AvailableCGS continues its annual tradition of designing beautiful wall calendars featuring geologic scenes within the state. Download this year's calendar now! Limited hardcopies are also available for purchase.,
Help California Map Recent LandslidesHelp California Map Recent LandslidesThe California Recent Reported Landslides Database is an online map showing the locations, photos, and other attributes of recent landslides in California. This map depends on volunteer reports from people like you! Visit the database to learn more., Link to the web app
Acting State Geologist on CGS Efforts to Keep Californians SafeActing State Geologist on CGS Efforts to Keep Californians SafeWith the anniversaries of two major earthquakes coming up, Acting State Geologist Steve Bohlen talks about the California Geological Survey's ongoing efforts to keep Californians safe.,



 Featured Content



The CGS CalendarThe CGS CalendarCGS continues its annual tradition of producing a wall calendar featuring California's geology. Download yours today!
TsunamisTsunamisGeneral tsunami information, tsunami preparedness, links to tsunami inundation maps, and more.
Earthquake Data and ReportsEarthquake Data and ReportsLinks to the Center for Engineering Strong Motion Data, Internet Quick Reports and Internet Data Reports, ShakeMaps, and SMIP Seminar information.
Maps and DataMaps and DataLooking for California geologic maps or GIS data? Start here.
LandslidesLandslidesInformation about landslides and landslide mapping.

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Sacramento, CA 95814

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