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)

On this page:



Student Assistant: Subsurface Quaternary GeologyStudent Assistant: Subsurface Quaternary GeologyWe are looking for a part-time Undergraduate Student Assistant to help map subsurface Quaternary geology in the Central Valley. $15 to $17.50 per hour. Apply by September 18, 2022. Open to applicants living in the Sacramento, Eureka, and Los Angeles areas., Take me there
New Publications AvailableNew Publications AvailableIn case you missed it: we recently published a statewide radon report, four new geologic maps, and a bunch of new geospatial data for the California Geologic Atlas map series. It's all on our Publications Announcements page. Check it out!, Publications Announcements
2019 California Non-Fuel Mineral Production report is now available2019 California Non-Fuel Mineral Production report is now availableCalifornia remains one of the largest producers of non-fuel minerals in the United States. This report summarizes the state’s mineral resource production exclusive of oil, gas, coal, and geothermal energy. It discusses the commodities produced as well as trends in commodity production., Take me there

 Upcoming Events



Calendar of geology-related events and anniversariesCalendar of geology-related events and anniversariesSubscribe to our Public Calendar of Events and never miss an important date: Anniversaries of major earthquakes and tsunamis · The Great Shakeout · SMIP Seminar...and more!2021-01-01T08:00:00Z2026-01-01T08:00:00Z, Link to Public Calendar of Events page

 Featured Content



Publications of the California Geological SurveyPublications of the California Geological SurveyOfficial directory of publications we've produced from the late 19th century to the present.
Publication AnnouncementsPublication AnnouncementsRelease announcements of maps, reports and other publications of the California Geological Survey.
Maps and DataMaps and DataLooking for California geologic maps or GIS data? Start here.
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.


 Contact Us

California Geological Survey
715 P Street, MS 1901
Sacramento, CA 95814