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Quaternary Fault and Fold Database for the United States: California
This interactive map shows the major fault systems of the Quaternary for the State of California. It is subdivided into 1x2 degree sheets, each of which is linked to a more detailed map. Users can select a sheet and see an enlargement of the area. Individual fault systems are numbered and keyed to a legend which provides a link to a written synopsis of information for the fault, including fault type and geologic history. Links are also provided to more extensive reports for the faults, including a "complete" report with references.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
  • College (13-14)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Map
  • Text:
    • Ref. material
  • Geological Sciences:
    • Geology
    • Structural geology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Information presented on this website is considered public information (unless otherwise noted) and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. We strongly recommend that USGS data be acquired directly from a USGS server and not through other sources that may change the data in some way. While USGS makes every effort to provide accurate and complete information, various data such as names, telephone numbers, etc. may change prior to updating. USGS welcomes suggestions on how to improve our home page and correct errors. USGS provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data.
DLESE Catalog ID: DLESE-000-000-008-805
Resource contact / Creator / Publisher:
Publisher: The U.S. Geological Survey
Quaternary Faults and Fold Database of the United States