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Quaternary Fault and Fold Database of the United States
This database summarizes geologic, geomorphic, and geographic information for about 2,000 Quaternary faults and folds in the United States. These structures are believed to be sources of magnitude 6 or greater earthquakes during the Quaternary Period (the past 1,600,000 years). Maps of these geologic structures are linked to detailed descriptions, including geologic setting, fault orientation, fault type, sense of movement, slip rate, recurrence (repeat) interval, and the time of the most recent surface-faulting event. The database is searchable by using an interactive map viewer, a state/regional interactive map, or a text-based search. There is also a link to a fact sheet that provides information about the database.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Map
  • Dataset:
    • Modeled
Subject:
  • Geological Sciences:
    • Geology
    • Geophysics
    • Structural geology
  • Natural hazards
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-000-000-000-110
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey (USGS)
Earthquake Hazards Program
http://earthquake.usgs.gov/

Contact: Joseph J. Kerski
Educational Resources
United States Geological Survey (USGS)