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Automatic discrimination of earthquakes and quarry blasts using wavelet filter bank and support vector machine

  • Omar M. SaadEmail author
  • Ahmed Shalaby
  • Mohammed S. Sayed
ORIGINAL ARTICLE
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Abstract

False discrimination between earthquakes and quarry blasts may lead to an unrealistic characterization of the natural seismicity of a region. The similarity in seismograms between earthquakes and quarry blasts is the primary reason for incorrect discrimination. Therefore, in this paper, we propose a discriminative algorithm utilizing wavelet filter bank to extract unique features between earthquakes and quarry blasts. The discriminative features are found to be in the first five seconds after the onset time. The proposed algorithm is divided into two stages: first, wavelet filter bank extracts the features of the seismic signals; then, support vector machine classifies the event based on these extracted features. The proposed algorithm achieves a discrimination accuracy of 98.5% when applied to 900 earthquakes and quarry blast waveforms.

Keywords

Seismic data classification Wavelet filter bank Particle swarm optimization Support vector machine 

Notes

Acknowledgements

We would like to thank Egypt-Japan University of Science and Technology (E-JUST) for the continuous support. Also, we would like to thank the National Research Institute of Astronomy and Geophysics (NRIAG) for providing the seismic data used in this paper.

Funding information

This work received funding from the Egyptian Ministry of Higher Education.

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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  • Omar M. Saad
    • 1
    Email author
  • Ahmed Shalaby
    • 2
    • 3
  • Mohammed S. Sayed
    • 3
    • 4
  1. 1.National Research Institute of Astronomy and Geophysics (NRIAG)HelwanEgypt
  2. 2.CS, Faculty of Computers and InformaticsBenha UniversityBanhaEgypt
  3. 3.ECEE-JUST UniversityAlexandriaEgypt
  4. 4.ECEZagazig UniversityZagazigEgypt

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