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Mining Publication: Improvements in Seismic Event Locations in a Deep Western U.S. Coal Mine Using Tomographic Velocity Models and an Evolutionary Search Algorithm
Keywords: Data analysis Seismic monitoring Seismometry
Original creation date: September 2009
Authors: A Lurka, PL Swanson
Peer Reviewed Journal Article - September 2009
Download PDF Document (0.34 MB)
NIOSHTIC2 Number: 20036297
Min Sci Technol (China) 2009 Sep; 19(5):599-603
Methods of improving seismic event locations were investigated as part of a research study aimed at reducing ground control safety hazards. Seismic event waveforms collected with a 23-station three-dimensional sensor array during longwall coal mining provide the data set used in the analyses. A spatially variable seismic velocity model is constructed using seismic event sources in a passive tomographic method. The resulting three-dimensional velocity model is used to relocate seismic event positions. An evolutionary optimization algorithm is implemented and used in both the velocity model development and in seeking improved event location solutions. Results obtained using the different velocity models are compared. The combination of the tomographic velocity model development and evolutionary search algorithm provides improvement to the event locations.
Image of publication Improvements in Seismic Event Locations in a Deep Western U.S. Coal Mine Using Tomographic Velocity Models and an Evolutionary Search AlgorithmPeer Reviewed Journal Article - September 2009
Download PDF Document (0.34 MB)
NIOSHTIC2 Number: 20036297
Min Sci Technol (China) 2009 Sep; 19(5):599-603
See Also
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Determination of Sound Exposures (DOSES): Software Manual and Implementation Guide
Investigation of a Rock-Burst Site, Sunshine Mine, Kellogg, Idaho
Local Earthquake Tomography for Imaging Mining-Induced Changes Within the Overburden above a Longwall Mine
ObsPlus: A Pandas-centric ObsPy Expansion Pack
Rock Bursting and Seismicity During Ramp Development, Lucky Friday Mine, Mullan, Idaho
Safer Mine Layouts for Underground Stone Mines Subjected to Excessive Levels of Horizontal Stress
Task Analysis
Technology News 536 - NIOSH Develops New Software to Analyze and Reduce Noise Exposure
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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