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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 6 August 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. Here, the results show that the seismic event is best modeled as a shallow underground collapse. Interestingly, large transverse surface waves require a smaller additional noncollapse source component that might represent either faulting in the rocks above the mine workings or deformation of the medium surrounding the mine. Seismic moment tensor results for nuclear explosions, explosion and other mining cavity collapses, and tectonic earthquakes are compared, and the separation of the different populations indicates that the seismic moment tensor may be used for source-type discrimination.

Authors:
 [1];  [2];  [3]
+ Show Author Affiliations
  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.
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Dreger, D. S., Ford, S. R., & Walter, W. R. Source Analysis of the Crandall Canyon, Utah, Mine Collapse. United States. https://doi.org/10.1126/science.1157392
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Dreger, D. S., Ford, S. R., and Walter, W. R. Fri . "Source Analysis of the Crandall Canyon, Utah, Mine Collapse". United States. https://doi.org/10.1126/science.1157392. https://www.osti.gov/servlets/purl/1009209.
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@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 6 August 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. Here, the results show that the seismic event is best modeled as a shallow underground collapse. Interestingly, large transverse surface waves require a smaller additional noncollapse source component that might represent either faulting in the rocks above the mine workings or deformation of the medium surrounding the mine. Seismic moment tensor results for nuclear explosions, explosion and other mining cavity collapses, and tectonic earthquakes are compared, and the separation of the different populations indicates that the seismic moment tensor may be used for source-type discrimination.},
doi = {10.1126/science.1157392},
journal = {Science},
number = 5886,
volume = 321,
place = {United States},
year = {Fri Jul 11 00:00:00 EDT 2008},
month = {Fri Jul 11 00:00:00 EDT 2008}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1126/science.1157392
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Cited by: 24 works
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Works referenced in this record:

The February 3, 1995, ML 5.1 Seismic Event in the Trona Mining District of Southwestern Wyoming
journal, May 1995

  • Pechmann, J. C.; Walter, W. R.; Nava, S. J.
  • Seismological Research Letters, Vol. 66, Issue 3
  • DOI: 10.1785/gssrl.66.3.25

Source type plot for inversion of the moment tensor
journal, January 1989

  • Hudson, J. A.; Pearce, R. G.; Rogers, R. M.
  • Journal of Geophysical Research, Vol. 94, Issue B1
  • DOI: 10.1029/JB094iB01p00765

A Student’s Guide to and Review of Moment Tensors
journal, April 1989

  • Jost, M. L.; Herrmann, R. B.
  • Seismological Research Letters, Vol. 60, Issue 2
  • DOI: 10.1785/gssrl.60.2.37
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    Seismicity During Continental Breakup in the Red Sea Rift of Northern Afar
    journal, March 2018

    • Illsley-Kemp, Finnigan; Keir, Derek; Bull, Jonathan M.
    • Journal of Geophysical Research: Solid Earth, Vol. 123, Issue 3
    • DOI: 10.1002/2017jb014902

    Discrimination of induced seismicity by full moment tensor inversion and decomposition
    journal, May 2012

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