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FactSheet: FS2022-E-0002

投稿者:柳川 博之 投稿日時:水, 2022-07-27 15:30

Title:
Geotechnical Preliminary Report of The Mj 7.3 Fukushima Earthquake on March 16, 2022

Authour:
Masataka SHIGA1, Kwok-Kwan LAU2, Pei-chen HSIEH3, and Takashi KIYOTA4

1 Member of JSCE, Assistant Professor, Institute of Industrial Science, The University of Tokyo
2 Ph.D. student, Dept. of Civil Eng., Graduate School of Eng., The University of Tokyo
3 Member of JSCE, Ph.D. student, Dept. of Civil Eng., Graduate School of Eng., The University of Tokyo
4 Member of JSCE, Associate Professor, Institute of Industrial Science, The University of Tokyo

Key Facts

  • Hazard Type: Earthquake
  • Date of the disaster: March 16th, 2022
  • Location of the survey: Fukushima Prefecture and Miyagi Prefecture
  • Date of the field survey: March 21st and 22nd, 2022
  • Survey tools: Photos, videos, UAV, and LiDAR

Key findings:

  1.  Cracking, ground settlement, and ground deformation were observed in the roads, bridge approaches, and embankments in Fukushima Prefecture and Miyagi Prefecture
  2.  The landslides in Date Dam, Unoomisaki Tunnel portal area, and Tarumizu Dam could be associated with the strong ground motion of this earthquake event.
  3.  Liquefaction was also identified in Soma Port of Fukushima Prefecture.

Key Words: The 2022 Earthquake off the coast of Fukushima Prefecture, Ground Damage, Slope Failure, Liquefaction

Paper: PDF 7,824KB

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