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Zhang Hongcai, Jin Xing, Li Jun, Chen Zhiyong. 2017: Application of Pd-τc compatibility criterion to distinguishing triggered events. Acta Seismologica Sinica, 39(1): 102-110. DOI: 10.11939/jass.2017.01.009
Citation: Zhang Hongcai, Jin Xing, Li Jun, Chen Zhiyong. 2017: Application of Pd-τc compatibility criterion to distinguishing triggered events. Acta Seismologica Sinica, 39(1): 102-110. DOI: 10.11939/jass.2017.01.009
shu

Application of Pd-τc compatibility criterion to distinguishing triggered events

  • 1.

    Earthquake Administration of Fujian Province， Fuzhou 350003， China

  • 2.

    Institute of Engineering Mechanics， China Earthquake Administration， Harbin 150008， China

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  • Received Date: March 13, 2016
  • Revised Date: May 16, 2016
  • Published Date: December 31, 2016
    Graphical Abstract
    • Abstract
  • Combining the operation status of the earthquake early warning (EEW) system in Fujian Province， this paper discusses the feasibility of the Pd-τc compatibility criterion in discrimination of triggered events， based on seismic records of KiK-net in Japan and seismic monitoring networks of Fujian Province， in which both spontaneous earthquakes and artificial explosion events are included. The results show that， for large local earthquakes and false triggering events， Pd-τc criterion is quite reliable with less error. Also， teleseismic earthquake events may be roughly judged by the criterion. But artificial explosions and/or small magnitude local earthquakes cannot be effectively distinguished only by this criterion. Furthermore， based on the Pd-τc compatibility test results， this paper sets an intensity test standard by the parameter Pd=10-3 cm， by which those destructive earthquakes can be identified more accurately. The present method will help to improve the reliability of triggered events discrimination， promote processing efficiency of the whole EEW system， eventually generate more accurate seismic alert message.
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    • References (30)
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