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Title: Source Analysis of the Crandall Canyon, Utah, Mine Collapse

Abstract

Analysis of seismograms from a magnitude 3.9 seismic event on August 6, 2007 in central Utah reveals an anomalous radiation pattern that is contrary to that expected for a tectonic earthquake, and which is dominated by an implosive component. The results show the seismic event is best modeled as a shallow underground collapse. Interestingly, large transverse surface waves require a smaller additional non-collapse source component that represents either faulting in the rocks above the mine workings or deformation of the medium surrounding the mine.

Authors:
 [1];  [2];  [3]
  1. Univ. of California, Berkeley, CA (United States). Berkeley Seismological Lab.
  2. Univ. of California, Berkeley, CA (United States). Berkeley Seismological Lab.; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Berkeley, CA (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
University of California, Berkeley Lawrence Livermore National Laboratory
OSTI Identifier:
1009209
Alternate Identifier(s):
OSTI ID: 1332985
Report Number(s):
LLNL-JRNL-401847
Journal ID: ISSN 0036-8075
Grant/Contract Number:  
W-7405-ENG-48; FC52-06NA27324; AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Science
Additional Journal Information:
Journal Volume: 321; Journal Issue: 5886; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; DEFORMATION; RADIATIONS; SEISMIC EVENTS; TECTONICS

Citation Formats

Dreger, D. S., Ford, S. R., and Walter, W. R. Source Analysis of the Crandall Canyon, Utah, Mine Collapse. United States: N. p., 2008. Web. doi:10.1126/science.1157392.
Dreger, D. S., Ford, S. R., & Walter, W. R. Source Analysis of the Crandall Canyon, Utah, Mine Collapse. United States. doi:10.1126/science.1157392.
Dreger, D. S., Ford, S. R., and Walter, W. R. Fri . "Source Analysis of the Crandall Canyon, Utah, Mine Collapse". United States. doi:10.1126/science.1157392. https://www.osti.gov/servlets/purl/1009209.
@article{osti_1009209,
title = {Source Analysis of the Crandall Canyon, Utah, Mine Collapse},
author = {Dreger, D. S. and Ford, S. R. and Walter, W. R.},
abstractNote = {Analysis of seismograms from a magnitude 3.9 seismic event on August 6, 2007 in central Utah reveals an anomalous radiation pattern that is contrary to that expected for a tectonic earthquake, and which is dominated by an implosive component. The results show the seismic event is best modeled as a shallow underground collapse. Interestingly, large transverse surface waves require a smaller additional non-collapse source component that represents either faulting in the rocks above the mine workings or deformation of the medium surrounding the mine.},
doi = {10.1126/science.1157392},
journal = {Science},
number = 5886,
volume = 321,
place = {United States},
year = {2008},
month = {7}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 9 works
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