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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 Geologic Mapping Program
CGS Programs and Offices
Geologic and Environmental Review
Other State Geological Surveys
State Geologists Past and Present
The California Mineral Resources Program
The California Geological Survey Emblem
Geologic Hazards
Geologic Hazards
Geologic Hazards: Earthquakes
1906 San Francisco Earthquake - Centennial
Alquist-Priolo Earthquake Fault Zones
Big California 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
New Long-Term Earthquake Forecast for California
Northridge Earthquake, January 17, 1994
Preliminary Release Announcements
Project Review Frequently Asked Questions
School, Hospital, and Environmental Reviews
Seismic Hazards Mapping Act
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)
Submit a School Project
The 1933 Long Beach Earthquake
The 1989 Loma Prieta Earthquake
Geologic Hazards: Landslides
Hazards From "Mudslides"...Debris Avalanches and Debris Flows in Hillside and Wildfire Areas
Highway Corridor Landslide Hazard Mapping
Laguna Beach Landslides
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
Help
CGS Sitemap
Library & Publications
CGS Library
CGS Library Catalog
CGS Publications
Current Journals
Guidelines for Reviewing Geologic Reports
Index to Articles on California Mines in the Mining and Scientific Press (1860 - 1922)
Publication Announcements
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
CGS/CDF Watersheds Mapping
Download CGS/CDF Watersheds Maps and Data
Elk River Watershed Maps
Freshwater River Watershed Maps
Geologic Maps of Jackson Demonstration State Forest
Gualala River Watershed Maps, Data, and Publications
History of Geologic Maps of California
Maps and Data
Mattole River Watershed Maps, Data, and Publications
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
Barite
Calcite
California’s Non-Fuel Mineral Production
California's Mineral Resources
Chalcedony
Chromite
Chrysotile
Colemanite
Epidote
Feldspar
Gold
Hematite
Magnesite
Magnetite
Pyrite
Quartz
SMARA Mineral Land Classification
Sulfur
Talc
The Discovery of Gold in California
Popular Geology
Benitoite: California's State Gem
CALIFORNIA GEOLOGY™ Magazine
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
Teacher Resources
The California Geotour: An Index to Online Geologic Field Trip Guides of California
Tsunami
California Tsunami Maps and Data
Tōhoku-oki Earthquake and Tsunami, March 11, 2011
Tsunami Educational Materials and FAQ
Tsunami Technical Reports
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 Inundation Maps
Mendocino County Tsunami Hazard Areas
Monterey County Tsunami Hazard Areas
Napa County Tsunami Inundation Maps
Orange County Tsunami Hazard Areas
San Diego County Tsunami Inundation Maps
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 Inundation Maps
Solano County Tsunami Inundation Maps
Sonoma County Tsunami Inundation Maps
Ventura County Tsunami Inundation Maps
CGS Home
Earthquakes
Alquist-Priolo Earthquake Fault Zones
Earthquake Data and Reports
Earthquake Hazards Zone Application (EQ Zapp)
List of Big California Earthquakes
Loma Prieta Earthquake
Long Beach Earthquake
Northridge Earthquake
San Fernando Earthquake
San Francisco Earthquake
Seismic Hazards Mapping Act
ShakeMaps
Strong-Motion Data (CESMD)
Landslides
California Landslide Inventory
Landslides in Highway Corridors
Recent Landslide Hazard Assessments
Mineral Hazards
Asbestos
Mercury
Radon
Mineral Resources
CGS Mineral Resources Program
California Mineral Production
SMARA Mineral Land Classification
Gold!
Glossary of Rock & Mineral Terminology
Tsunamis
Tsunami Education
Tsunami Maps
Tsunami Preparedness
Tsunami Reports
Geologic Reviews
Highway Corridor Landslide Hazard Assessment
School, Hospital, and Environmental Reviews
Timber Harvesting Plan Review
Library
Mining and Scientific Press
Maps & Publications
Maps & GIS Data
CALIFORNIA GEOLOGY Magazine
The CGS Calendar
CGS Notes
Publication Announcements
Publications Database
Buy CGS Publications
For Teachers & Students
The California Geotour
Teacher Feature articles
Tsunami Education
DOC Educator's Portal
Educator's Topic Search: "Geology"
About the CGS
CGS History
Contact CGS
Laws and Regulations
Site Contents
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Other Geology-Related Web Sites
California Integrated Seismic Network
Center for Engineering Strong Motion Data
Directory of Other State Surveys
