Mapping Diffuse Seismicity Using Empirical Matched Field Processing Techniques

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The objective of this project is to detect and locate more microearthquakes using the empirical matched field processing (MFP) method than can be detected using only conventional earthquake detection techniques. We propose that empirical MFP can complement existing catalogs and techniques. We test our method on continuous seismic data collected at the Salton Sea Geothermal Field during November 2009 and January 2010. In the Southern California Earthquake Data Center (SCEDC) earthquake catalog, 619 events were identified in our study area during this time frame and our MFP technique identified 1094 events. Therefore, we believe that the empirical MFP method combined ... continued below

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Wang, J; Templeton, D C & Harris, D B January 21, 2011.

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Description

The objective of this project is to detect and locate more microearthquakes using the empirical matched field processing (MFP) method than can be detected using only conventional earthquake detection techniques. We propose that empirical MFP can complement existing catalogs and techniques. We test our method on continuous seismic data collected at the Salton Sea Geothermal Field during November 2009 and January 2010. In the Southern California Earthquake Data Center (SCEDC) earthquake catalog, 619 events were identified in our study area during this time frame and our MFP technique identified 1094 events. Therefore, we believe that the empirical MFP method combined with conventional methods significantly improves the network detection ability in an efficient matter.

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PDF-file: 8 pages; size: 1.1 Mbytes

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  • Presented at: Thirty-Sixth Workshop on Geothermal Reservoir Engineering, Stanford, CA, United States, Jan 31 - Feb 02, 2011

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  • Report No.: LLNL-CONF-467300
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1018757
  • Archival Resource Key: ark:/67531/metadc836070

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  • January 21, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Nov. 29, 2016, 7:26 p.m.

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Wang, J; Templeton, D C & Harris, D B. Mapping Diffuse Seismicity Using Empirical Matched Field Processing Techniques, article, January 21, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc836070/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.