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CGS
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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 Geological Survey Emblem
Geologic Hazards
EQ Zapp: California Earthquake Hazards Zone Application
Geologic Hazards
Geologic Hazards: Earthquakes
1906 San Francisco Earthquake - Centennial
Alquist-Priolo Earthquake Fault Zones
California Earthquake History and Catalogs
Earthquake Loss Estimation
Earthquake Myths
Earthquake Questions and Answers
Frequently Asked Earthquake Questions
Geologic Hazard Abatement Districts
License and Use Agreements for California Earthquake History, Catalogs, and Earthquake Source Point Data
Map Sheet 49: Epicenters and Areas Damaged by M>5 California Earthquakes, 1800-1999
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
Project Review Frequently Asked Questions
School, Hospital, and Environmental Reviews
Seismic Hazards Assessment Program
Seismic Hazards Mapping Act
Significant California Earthquakes
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
What to do in an Earthquake
What to do in an Earthquake
World's Big Earthquakes
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 48: Earthquake Shaking Potential for California
Map Sheet 58: Susceptibility to Deep-Seated Landslides in California
Watershed Mapping
Geologic Hazards: Mineral Hazards
Asbestos Reports, Maps, and Guidelines for Geologic Investigations
Mineral Hazards
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)
Official Map and Report Release 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 State Plane Coordinate System
CGS Information Warehouse
CGS Preliminary Geologic Maps
CGS Regional Geologic Maps
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
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
Minerals
California’s Non-Fuel Mineral Production
Mineral Resources Program
Minerals and Rocks
SMARA Mineral Land Classification
Popular Geology
Benitoite: California's State Gem
Fossils
Recommended Guidebooks
Sabertoothed Cat: California's State Fossil
Serpentine: California's State Rock
The 2020 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
SAFRR Tsunami Scenario
Technical Reports and Recent Events
Tohoku-oki Earthquake and Tsunami, March 11, 2011
Tsunami Education and Outreach
Tsunami Preparedness
Tsunami Program Contact Information
Tsunami Simulations for California
Tsunamis
Tsunami Inundation Maps
Alameda County Tsunami Inundation Maps
California Official Tsunami Inundation Maps
Contra Costa County Tsunami Inundation Maps
Del Norte Tsunami Inundation Maps
Humboldt County Tsunami Inundation Maps
Los Angeles County Tsunami Inundation Maps
Marin County Tsunami Inundation Maps
Mendocino County Tsunami Inundation Maps
Monterey County Tsunami Inundation Maps
Napa County Tsunami Inundation Maps
Orange County Tsunami Inundation Maps
San Diego County Tsunami Inundation Maps
San Francisco County Tsunami Inundation Maps
San Luis Obispo County Tsunami Inundation Maps
San Mateo County Tsunami Inundation Maps
Santa Barbara County Tsunami Inundation Maps
Santa Clara County Tsunami Inundation Maps
Santa Cruz County Tsunami Inundation Maps
Solano County Tsunami Inundation Maps
Sonoma County Tsunami Inundation Maps
Ventura County Tsunami Inundation Maps
Home
About the CGS and its Programs
Contact CGS
History
Laws and Regulations
Geologic Hazards
– Earthquakes
Alquist-Priolo Earthquake Fault Zones
Earthquake Data and Reports
Earthquake Hazards Zone Application (EQ Zapp)
Loma Prieta Earthquake
Long Beach Earthquake
Northridge Earthquake
San Francisco Earthquake
Seismic Hazards Mapping Act
ShakeMaps
Significant Earthquakes
Strong-Motion Data (CESMD)
– Landslides
California Landslide Inventory
Landslides in Highway Corridors
– Mineral Hazards
Asbestos
Mercury
Radon
– Tsunamis
Tsunami Education
Tsunami Inundation Maps
Tsunami Preparedness
Tohoku-oki Tsunami in California
Geologic Reviews
Highway Corridor Landslide Hazard Assessment
School, Hospital, and Environmental Reviews
Timber Harvesting Plan Review
Mineral Resources
Glossary of Rock & Mineral Terminology
Gold!
Mineral Production
Mining and Scientific Press
SMARA Mineral Land Classification
CGS Library
CGS Publications
California Geology Magazine
CGS Calendar
CGS Notes
New Releases
Publications Database
Buy CGS Publications
Maps & GIS Data
Borehole Database/Map
Earthquake Hazard Zones (EQ Zapp)
GIS Data
Information Warehouse Maps
Regional Geologic Maps
Tsunami Inundation Maps
For Teachers & Students
Kids GeoZone
The California Geotour
Teacher Feature articles
Tsunami Education
DOC Educator's Portal
Educator's Topic Search: "Geology"
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
