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)



Job Posting: Field Technician (SIT 1)Job Posting: Field Technician (SIT 1)The California Geological Survey (Department of Conservation) is seeking to hire a SEISMOLOGICAL INSTRUMENT TECHNICIAN 1. Visit for salary range, job description, application instructions, and more. The application deadline is December 13, 2021., Link to job posting at CalCareers
Help California Map Recent LandslidesHelp California Map Recent LandslidesThe California 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! Please visit the map today., Link to the California Reported Landslides map
New Preliminary Geologic MapsNew Preliminary Geologic MapsThe California Geological Survey has released five new preliminary geologic maps. For more information, visit our Publication Announcements page (click/tap this news item to go there now)., Link to Publication Announcements page



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



Post-Wildfire Debris FlowsPost-Wildfire Debris FlowsA debris flow can strike with little warning. Learn how to recognize the potential and how to prepare for one.
CGS Public Calendar of EventsCGS Public Calendar of EventsSubscribe to our Public Calendar of Events and never miss an important date.
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.
Tōhoku-oki Earthquake and Tsunami, March 11, 2011Tōhoku-oki Earthquake and Tsunami, March 11, 2011How an earthquake in Japan helped shape California's plan for the next tsunami
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

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