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https://doi.org/10.5194/nhess-2020-408
https://doi.org/10.5194/nhess-2020-408
06 Jan 2021
 | 06 Jan 2021
Status: this preprint has been withdrawn by the authors.

Three-dimensional deformation field analysis of the 2016 Kumamoto Mw 7.1 earthquake

Qingyun Zhang, Jingfa Zhang, Yongsheng Li, Bingqun Li, Quancai Xie, Sanming Luo, and Qingzun Ma

Abstract. The Kumamoto earthquake is analyzed mainly with InSAR data combined with strong earthquake and GPS data, using a variety of joint InSAR technology methods and multisource data solution methods and comprehensively considering the normalization and weighting of multisource data. The three-dimensional (3D) deformation field is determined. The results show that the joint solution of multisource data can improve the accuracy of the 3D solution deformation results to a certain extent. From the 3D solution results, the maximum east-west deformation caused by the 2016 Kumamoto earthquake is approximately 2 m; the north-south direction mainly manifests expansion and stretching; the northwestern side subsides vertically, with a maximum subsidence of 2 m; and the southeastern side is uplifted. The horizontal deformation characteristics show that the earthquake is dominated by right-lateral strike-slip; the strike is NE-SW, the dip of the seismogenic fault is nearly vertical, and the Futagawa fault has a few normal fault properties. By analyzing the coseismic 3D deformation field, the seismogenic fault can be better understood, which provides a foundation for studying seismic mechanisms.

This preprint has been withdrawn.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Qingyun Zhang, Jingfa Zhang, Yongsheng Li, Bingqun Li, Quancai Xie, Sanming Luo, and Qingzun Ma

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on nhess-2020-408', Sylvain Barbot, 16 Jan 2021
    • CC2: 'Reply on CC1', zhang qingyun, 13 Feb 2021
    • AC1: 'Reply on CC1', zhang qingyun, 15 Feb 2021
  • RC1: 'Comment on nhess-2020-408', Yunmeng Cao, 24 Feb 2021
  • EC1: 'Comment on nhess-2020-408', Mahdi Motagh, 26 Feb 2021

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on nhess-2020-408', Sylvain Barbot, 16 Jan 2021
    • CC2: 'Reply on CC1', zhang qingyun, 13 Feb 2021
    • AC1: 'Reply on CC1', zhang qingyun, 15 Feb 2021
  • RC1: 'Comment on nhess-2020-408', Yunmeng Cao, 24 Feb 2021
  • EC1: 'Comment on nhess-2020-408', Mahdi Motagh, 26 Feb 2021
Qingyun Zhang, Jingfa Zhang, Yongsheng Li, Bingqun Li, Quancai Xie, Sanming Luo, and Qingzun Ma
Qingyun Zhang, Jingfa Zhang, Yongsheng Li, Bingqun Li, Quancai Xie, Sanming Luo, and Qingzun Ma

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