FactSheet: FS2021-E-0001

Title:
Preliminary Report of the Damage by the 2021 Off Fukushima Prefecture Earthquake Mj7.3, Japan

Authour:
Kazuma INOUE¹, Takashi KIYOTA², Masataka SHIGA³, Ji Dang⁴ and Xin Wang⁵

¹Member of JSCE, Lecturer, Dept. of Civil Eng., National Institute of Technology, Gunma College
²Member of JSCE, Associate Professor, Institute of Industrial Science, The University of Tokyo
³Member of JSCE, Assistant Professor, Institute of Industrial Science, The University of Tokyo
⁴Member of JSCE, Associate Professor, Department of Civil and EnviromentalEngineering, Saitama University
⁵Associate Professor, Department of Architecture, Ashikaga University

Key Facts
・Hazard Type : Earthquake
・Date of the disaster : February 13th, 2021
・Location of the survey : Fukushima and Miyagi prefectures, Japan
・Date of the field survey : February 15th and 16th, 2021
・Survey tools : Digital Camera

Key findings:
1) Minor damage due to soil liquefaction and ground deformation were found in Yamamoto Townand Soma Port.
2) Damage, such as road pavement cracks, cracks around abutment and suspected liquefication inSoma Overpass Bridge and Soma East Bridge are reported.
3) Cracks and spalling due to shear deformation in horizontal beams of the frame piers of theShinkansen viaduct near to Shiroishi Zao station were found.
4) Damage to buildings was not severe compared to the measured strong ground motions.

Key Words : Offshore the Fukushima Prefecture Earthquake, Geotechnical damage,Damage to bridges, Damage to builidings・Hazard Type: Earthquake

Paper: PDF 2,556KB