Seismotectonics of the 2014 Chiang Rai, Thailand, earthquake sequence

DOI Web Site Web Site 被引用文献1件
  • P. Pananont
    SEIS‐SCOPE, Department of Earth Sciences, Faculty of Science Kasetsart University Bangkok Thailand
  • M. W. Herman
    Department of Geosciences Pennsylvania State University University Park Pennsylvania USA
  • P. Pornsopin
    SEIS‐SCOPE, Department of Earth Sciences, Faculty of Science Kasetsart University Bangkok Thailand
  • K. P. Furlong
    Department of Geosciences Pennsylvania State University University Park Pennsylvania USA
  • S. Habangkaem
    SEIS‐SCOPE, Department of Earth Sciences, Faculty of Science Kasetsart University Bangkok Thailand
  • F. Waldhauser
    Lamont‐Doherty Earth Observatory Columbia University Palisades New York USA
  • W. Wongwai
    SEIS‐SCOPE, Department of Earth Sciences, Faculty of Science Kasetsart University Bangkok Thailand
  • S. Limpisawad
    Bureau of Environmental Geology and Geohazard Department of Mineral Resources Bangkok Thailand
  • P. Warnitchai
    School of Engineering and Technology Asian Institute of Technology Pathumthani Thailand
  • S. Kosuwan
    Bureau of Environmental Geology and Geohazard Department of Mineral Resources Bangkok Thailand
  • B. Wechbunthung
    Thai Meteorological Department Bangkok Thailand

書誌事項

公開日
2017-08
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/2017jb014085
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>On 5 May 2014, a<jats:italic>M</jats:italic><jats:sub><jats:italic>w</jats:italic></jats:sub>6.2 strike‐slip earthquake occurred in the Mae Lao region of Chiang Rai province in Thailand. This earthquake took place in a region of known faults and caused substantial damage and injuries, although the region had been previously identified as having a relatively low earthquake hazard. Detailed field reconnaissance and deployment of a dense, temporary, network of broadband seismometers allowed details of the damage and its relationship to seismicity to be analyzed. The aftershock sequence associated with this main shock occurs on two well‐defined trends, reflecting the two potential fault planes in earthquake mechanisms for the main shock and the majority of the aftershocks. The damage area was relatively large for an event of this magnitude, but building damage was largely limited to the primary rupture region, while liquefaction and other ground failure are spatially associated with the rupture area and along regional rivers. Stress modeling, combined with the time series and pattern of aftershock activity, leads us to propose that slip near the northern termination of the main shock rupture continued slightly onto a conjugate fault, helping to trigger the distinct pattern of two discrete, conjugate trends of aftershock activity that mirror the kinematics of the main shock fault mechanism.</jats:p>

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