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JSCE Disaster Report: Preliminary Report of the Damage by the 2022 Off Fukushima Prefecture Earthquake Mj7.4, Japan(FactSheet: FS2024-E-0003)

Preliminary Report of the Damage by the 2022 Off Fukushima Prefecture Earthquake Mj7.4, Japan

 

Author:

Kazuma INOUE1, Keita UEMURA2, Keita SAITOH3, Kento ASAMI4, and Kotaro UCHIYAMA5

  1.  Member of JSCE, Associate professor, Dept. of Civil Eng., National Institute of Technology, Gunma College
  2.  Member of JSCE, Assistant Professor, Dept. of Civil and Earth Resources Eng. , Kyoto University
  3.  Member of JSCE, Student, Dept. of Urban Management, Kyoto University
  4.  Member of JSCE, Student, Dept. of Environmental Eng., National Institute of Technology, Gunma College
  5.  Member of JSCE, Student, Dept. of Environmental Eng., National Institute of Technology, Gunma College

Key Facts

  • Hazard Type: Earthquake
  • Date of the disaster: March 16th, 2022
  • Location of the survey: Fukushima and Miyagi prefectures, Japan
  • Date of the field survey: March 18th and 19th, 2022
  • Survey tools: Digital Camera, GPS

Key findings:

1) The superstructure collided against the western side abutment in the Date bridge.
2) The bearing pin was unfastened in the Showa Bridge.
3) The steps of intermediate piers can be confirmed in the Danzaki bridge.
4) The viaduct tilt due to Shear failure of columns was observed in Kunimi Town.

Key Words: Offshore the Fukushima Prefecture Earthquake, Geotechnical damage, Damage to bridges, Damage to Shinkanssen structure

Paper: PDF 3,303KB

・JSCE Journal of Disaster FactSheets: https://committees.jsce.or.jp/disaster/