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CGS
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CGS Sitemap
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This is a directory of webpages on the California Geological Survey's website.
About CGS
A Brief History of the California Geological Survey
About the California Geological Survey
CGS Public Calendar of Events
Contact the California Geological Survey
Geologic Hazard Review
State Geologists Past and Present
The California Mineral Resources Program
The California Regional Geologic and Landslide Mapping Program
The California Seismic Hazards Program
The California Geological Survey Emblem
Climate Action
Forest Biomass to Carbon-Negative Biofuels Pilot Program
Climate, Carbon, and Geology
Geologic Carbon Sequestration in California
Education Resources
Geology Resources for Education
Teacher Feature geology articles
The California Geotour
Forests and Watersheds
The California Forest and Watershed Geology Program
Geologic Hazard Assessment
Alquist-Priolo Earthquake Fault Zones
California Seismic Hazard Zones
Essential Facility Review
School Project Review FAQs
Submit a School Project
Geologic Hazards
Geologic Hazards
Geologic Hazards: Earthquakes
California's Big Earthquakes
Earthquake Catalogs
Earthquake Loss Estimation
EQ Zapp: California Earthquake Hazards Zone Application
Geologic Hazard Abatement Districts
License and Use Agreements for California Earthquake History, Catalogs, and Earthquake Source Point Data
Map Sheet 48: Earthquake Shaking Potential for California
Map Sheet 49: Epicenters of and Areas Damaged by M≥5 California Earthquakes, 1800-1999
Maps of Known Active Fault Near-Source Zones in California and Adjacent Portions of Nevada
Northridge Earthquake, January 17, 1994
Preliminary Release Announcements
Special Publication 117A: Guidelines for Evaluating and Mitigating Seismic Hazards in California
Special Publication 118: Recommended Criteria for Delineating Seismic Hazard Zones in California
Special Publication 42: Earthquake Fault Zones - A Guide for Government Agencies, Property Owners / Developers, and Geoscience Practitioners for Assessing Fault Rupture Hazards in California (2018)
The 1906 Great San Francisco Earthquake
The 1933 Long Beach Earthquake
The 1989 Loma Prieta Earthquake
The 1992 Cape Mendocino Earthquake and Tsunami
The 1992 Landers-Big Bear Earthquakes
UCERF3: The Long-Term Earthquake Forecast for California
Geologic Hazards: Landslides
2023 California Landslide Response
El Niño, California Precipitation, and Landslides
Hazards From "Mudslides"...Debris Avalanches and Debris Flows in Hillside and Wildfire Areas
Highway Corridor Landslide Hazard Mapping
Landslide Response at Bluebird Canyon and Vicinity 1978-1998
Landslides
Map Sheet 58: Susceptibility to Deep-Seated Landslides in California
Watershed Mapping
Geologic Hazards: Mineral Hazards
Map Sheet 59: Reported Historic Asbestos Mines, Historic Asbestos Prospects, and Other Natural Occurrences of Asbestos in California
Special Report 192: Relative Likelihood for the Presence of Naturally Occurring Asbestos in Eastern Sacramento County, California
Geological Mapping and Modeling
3D Geological Modeling
About Geologic Maps and Mapping
History of The Geologic Map of California
Southern San Joaquin Basin 3D Geo Project
Help
CGS Sitemap
Library & Publications
CGS Library
CGS Publications
Current Journals
Glossary of CGS Publication Series
Guidelines for Reviewing Geologic Reports
Index to Articles on California Mines in the Mining and Scientific Press (1860 - 1922)
Publication Announcements
Publications by County
Publications of the California Geological Survey
Teacher Resource Center Borrowing Policy
Maps and Data
2010 Fault Activity Map of California
2010 Geologic Map of California
Albion River Watershed Maps and Data
Big River Watershed Maps, Data and Publications
California Regional Geologic Maps
California State Plane Coordinate System
CGS Information Warehouse
Download North Coast Watersheds Mapping Project Data
Elk River Watershed Maps
Freshwater River Watershed Maps
Geologic Maps of Jackson Demonstration State Forest
Gualala River Watershed Maps, Data, and Publications
Maps
Mattole River Watershed Maps, Data, and Publications
North Coast Watersheds Mapping Project
Noyo River Watershed Maps
Preliminary Regional Geologic Maps
Redwood Creek Watershed Maps
Title II Geologic Data Compilation Project: San Francisco, San Jose, Santa Cruz
Title II Geologic Data Compilation Project: Ukiah, Santa Rosa
Title II Geologic Data Compilation Project: Weed, Redding
Watershed Maps and GIS Data
Watersheds Map Printing Tips
Mineral Hazards
Indoor Radon
Mercury in the Environment
Mineral Hazards of California
Naturally Occurring Asbestos in Eastern Sacramento County
Naturally Occurring Asbestos in El Dorado County
Naturally Occurring Asbestos in Placer County
Naturally-Occurring Asbestos in California
Mineral Resources
A Glossary of Rock and Mineral Terminology
Ask Rocky
California Historical Mineral Commodity Production Data Dashboard
California Mineral Production Reports and Data
California Minerals Program StoryMap
California's Minerals
Gold
Map of California Historic Gold Mines (Miscellaneous Map 9)
SMARA Mineral Land Classification
The Discovery of Gold in California
Think you found a meteorite?
Popular Geology
Benitoite: California's State Gem
CALIFORNIA GEOLOGY™ Magazine
CGS Notes
Fossils
Recommended Guidebooks
Sabertoothed Cat: California's State Fossil
Serpentine: California's State Rock
The CGS Calendar
Seismic Shaking Hazard Assessment
Ground Motion Interpolator
Probabilistic Seismic Hazards Assessment
SMIP Seminars
Proceedings of SMIP06 Seminar on Utilization of Strong-Motion Data
SMIP 1989 Seminar
SMIP 1990 Seminar
SMIP 1991 Seminar
SMIP 1992 Seminar
SMIP 1993 Seminar
SMIP 1994 Seminar
SMIP 1995 Seminar
SMIP 1996 Seminar
SMIP 1997 Seminar
SMIP 1998 Seminar
SMIP 1999 Seminar
SMIP 2000 Seminar
SMIP 2001 Seminar
SMIP 2002 Seminar
SMIP 2003 Seminar
SMIP 2004 Seminar
SMIP 2005 Seminar
SMIP 2006 Seminar
SMIP 2007 Seminar
SMIP 2008 Seminar
SMIP 2009 Seminar
SMIP 2012 Seminar
SMIP 2013 Seminar
SMIP 2014 Seminar
SMIP 2015 Seminar
SMIP 2016 Seminar
SMIP 2017 Seminar
SMIP 2018 Seminar
SMIP 2021 Seminar
SMIP 2022 Seminar
Tributes
In Memoriam: James Frazier “Jim” Davis (1931–2023)
Tsunami
California Tsunami Maps
Tōhoku-oki Earthquake and Tsunami, March 11, 2011
Tonga Tsunami, January 15, 2022
Tsunami Educational Materials and FAQs
Tsunami Technical Reports and Data
Tsunamis
What to do Before, During, and After a Tsunami
Tsunami Maps
Alameda County Tsunami Hazard Areas
Contra Costa County Tsunami Hazard Areas
Del Norte County Tsunami Hazard Areas
Humboldt County Tsunami Hazard Areas
Los Angeles County Tsunami Hazard Areas
Marin County Tsunami Hazard Areas
Mendocino County Tsunami Hazard Areas
Monterey County Tsunami Hazard Areas
Napa County Tsunami Hazard Areas
Orange County Tsunami Hazard Areas
San Diego County Tsunami Hazard Areas
San Francisco County Tsunami Hazard Areas
San Luis Obispo County Tsunami Hazard Areas
San Mateo County Tsunami Hazard Areas
Santa Barbara County Tsunami Hazard Areas
Santa Clara County Tsunami Hazard Areas
Santa Cruz County Tsunami Hazard Areas
Solano County Tsunami Hazard Areas
Sonoma County Tsunami Hazard Areas
Ventura County Tsunami Hazard Areas
CGS Home
About the CGS
CGS Programs
Laws and Regulations
A Brief History of the CGS
State Geologists Past and Present
Contact CGS
Burned Watershed Geohazards
Post-Fire Resources
Recent WERT Assessments
What's a WERT?
About the BWG Program
Carbon Reduction
3D Geo Project
Forest Biomass to Carbon-Negative Biofuels Program
Earthquakes
California's Big Earthquakes
ShakeMaps
Forest & Watershed Geology
Timber Pre-Harvest Inspections
North Coast Watersheds Mapping Project
Watershed Maps and GIS Data
Geological Gems of the California State Parks (Special Report 230)
Upload files to FWGP
About the FWG Program
Geologic Maps
Preliminary Regional Geologic Maps
3D Geological Modeling
The Geologic Map of California
History of The Geologic Map of California
The Fault Activity Map of California
About Geologic Maps & Mapping
About the RGLM Program
Landslides
2023 California Landslide Response
California Landslide Inventory
California Reported Landslides Database
El Niño, California Precipitation, and Landslides
Highway Corridor Landslide Hazard Mapping
Post-Wildfire Debris Flows
Recent Burned Watershed Hazard Assessments
Minerals
Mineral Hazards
Mineral Land Classification (SMARA)
Mineral Production Reports and Data
Gold!
Glossary of Rock & Mineral Terminology
What's that rock? Ask Rocky
Think you found a meteorite?
About the Minerals Program
Seismic Hazards and Faults
Alquist-Priolo Earthquake Fault Zones
Seismic Hazard Zones
Earthquake Hazards Zone Application (EQ Zapp)
Essential Facility Review
About the Seismic Hazards Program
Strong Motion Instrumentation
Strong Motion Data (CESMD)
Strong Motion Reports
SMIP Seminar and Proceedings
About CSMIP
Tsunamis
Tsunami Maps
Educational Materials & FAQ
Preparedness: What to do Before, During, and After a Tsunami
Technical Reports & Data
Tsunami Program Contact Information
Library
Mining and Scientific Press
Maps & GIS data
Information Warehouse
EQ Zapp (A-P Fault Zones and Seismic Hazard Zones)
Regional Geologic Maps
Preliminary Regional Geologic Maps
Borehole Database
Publications
CGS 2024 Wall Calendar
CALIFORNIA GEOLOGY Magazine
CGS Notes
Publication Announcements
Publications Database
Buy CGS Publications
SP42
Resources for Education
CGS Sitemap
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