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San Andreas Fault Observatory at Depth
This website provides an overview of the San Andreas Fault Observatory at Depth (SAFOD) project, an initiative to drill into the fault in one of its most predictively active segments near Parkfield, California. Information accessible at the site includes a discussion of drilling methods, an introduction to the structure of the fault zone as it appears at Parkfield, and a discussion of earthquake prediction. Users may also view or download data from the instrument packages in the borehole, including tensor strain, dilational strain, creepmeter data, GPS data, and others. There are also links to additional references and to a glossary.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Illustration - scientific
    • Map
    • Photograph
  • Text:
    • Ref. material
  • Dataset:
    • In-situ
Subject:
  • Geological Sciences:
    • Geology
    • Geophysics
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: USGS-ED-000-000-000-140
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey (USGS)
Earthquake Hazards Program
http://earthquake.usgs.gov/

Contact: Phil Stoffer
Educational Resources
United States Geological Survey (USGS)