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Time Series Analysis of Global/Korean Earthquake Occurrence and Recent GPS Crustal Displacement Recorded at Daejeon, Korea

Received: 18 April 2013     Published: 10 June 2013
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Abstract

Inherent periodicities are observed in earthquake occurrence for three kinds of time series - one is based on a global earthquake occurrence record for the last two hundred years, while the others are based on either historical or recent Korean earthquake records. Above numerous minor peaks in the global earthquake occurrence spectra, there exist a few peaks including Chandler periodicity over 95 percent significance level. The global earthquake triggering mechanisms at each identified period are not entirely clear. An outstanding one-year periodicity has been found for the historical Korean earthquakes. This one-year periodicity is interpreted to reflect seasonal forcing that results in annual oscillation of Korean crust, as recorded over twelve years of GPS monitoring at Daejeon (DAEJ), one of International GNSS Service (IGS) permanent stations.

Published in Science Discovery (Volume 1, Issue 2)
DOI 10.11648/j.sd.20130102.11
Page(s) 6-15
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2013. Published by Science Publishing Group

Keywords

Earthquake, Spectral Analysis, Chandler Wobble, Seasonal Oscillation, GPS

References
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Cite This Article
  • APA Style

    Sung-Ho Na, Dork Sahagian, Pil-Ho Park, Tae-Woong Chung, Tae-Seob Kang. (2013). Time Series Analysis of Global/Korean Earthquake Occurrence and Recent GPS Crustal Displacement Recorded at Daejeon, Korea. Science Discovery, 1(2), 6-15. https://doi.org/10.11648/j.sd.20130102.11

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    ACS Style

    Sung-Ho Na; Dork Sahagian; Pil-Ho Park; Tae-Woong Chung; Tae-Seob Kang. Time Series Analysis of Global/Korean Earthquake Occurrence and Recent GPS Crustal Displacement Recorded at Daejeon, Korea. Sci. Discov. 2013, 1(2), 6-15. doi: 10.11648/j.sd.20130102.11

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    AMA Style

    Sung-Ho Na, Dork Sahagian, Pil-Ho Park, Tae-Woong Chung, Tae-Seob Kang. Time Series Analysis of Global/Korean Earthquake Occurrence and Recent GPS Crustal Displacement Recorded at Daejeon, Korea. Sci Discov. 2013;1(2):6-15. doi: 10.11648/j.sd.20130102.11

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  • @article{10.11648/j.sd.20130102.11,
      author = {Sung-Ho Na and Dork Sahagian and Pil-Ho Park and Tae-Woong Chung and Tae-Seob Kang},
      title = {Time Series Analysis of Global/Korean Earthquake Occurrence and Recent GPS Crustal Displacement Recorded at Daejeon, Korea},
      journal = {Science Discovery},
      volume = {1},
      number = {2},
      pages = {6-15},
      doi = {10.11648/j.sd.20130102.11},
      url = {https://doi.org/10.11648/j.sd.20130102.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20130102.11},
      abstract = {Inherent periodicities are observed in earthquake occurrence for three kinds of time series - one is based on a global earthquake occurrence record for the last two hundred years, while the others are based on either historical or recent Korean earthquake records. Above numerous minor peaks in the global earthquake occurrence spectra, there exist a few peaks including Chandler periodicity over 95 percent significance level. The global earthquake triggering mechanisms at each identified period are not entirely clear. An outstanding one-year periodicity has been found for the historical Korean earthquakes. This one-year periodicity is interpreted to reflect seasonal forcing that results in annual oscillation of Korean crust, as recorded over twelve years of GPS monitoring at Daejeon (DAEJ), one of International GNSS Service (IGS) permanent stations.},
     year = {2013}
    }
    

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    AU  - Sung-Ho Na
    AU  - Dork Sahagian
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    N1  - https://doi.org/10.11648/j.sd.20130102.11
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    AB  - Inherent periodicities are observed in earthquake occurrence for three kinds of time series - one is based on a global earthquake occurrence record for the last two hundred years, while the others are based on either historical or recent Korean earthquake records. Above numerous minor peaks in the global earthquake occurrence spectra, there exist a few peaks including Chandler periodicity over 95 percent significance level. The global earthquake triggering mechanisms at each identified period are not entirely clear. An outstanding one-year periodicity has been found for the historical Korean earthquakes. This one-year periodicity is interpreted to reflect seasonal forcing that results in annual oscillation of Korean crust, as recorded over twelve years of GPS monitoring at Daejeon (DAEJ), one of International GNSS Service (IGS) permanent stations.
    VL  - 1
    IS  - 2
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Author Information
  • Korea Astronomy and Space Science Institute, Daejeon, Republic of Korea

  • Earth and Environmental Sciences, Lehigh University, Bethlehem, PA, USA

  • Korea Astronomy and Space Science Institute, Daejeon, Republic of Korea

  • Sejong University, Seoul, Republic of Korea

  • Pukyung National University, Pusan, Republic of Korea

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