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Surface Collapse and Subsidence
This is an exercise based on the geologic hazard of land subsidence in areas of karst terrain. A brief introduction is given to ground water, the development of karst, and the resulting collapse features due to the lowering of the water table. Photos and an animation support the discussion. Users are directed to print out a question sheet that is intended to guide exploration of the Edwards Aquifer Homepage. A connection to the Edwards Aquifer site is available. Links are provided to different geologic exercises on earthquakes, tsunamis, and volcanoes, and related geology websites.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
Type of resource:
  • For the classroom:
    • Computer activity
  • Geological Sciences:
    • Geology
  • Natural hazards
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright and Other Restrictions Information is unknown.
DLESE Catalog ID: DLESE-000-000-001-018
Resource contact / Creator / Publisher:
Contributor: Vicki M. Harder
Department of Geological Sciences, New Mexico State University

Contributor: Barbara W. Murck
University of Toronto

Contributor: Brian J. Skinner
Yale University, Geology Dept.

Contributor: Stephen C. Porter
University of Washington, Dept. of Geological Sciences

Publisher: John Wiley and Sons Inc.