FactSheet: FS2012-E-0001

Title:
Sinkholes above Abandoned Coal Field in Iwaki City Hit by the April 11th, 2011 Hamadori Earthquake

Author:
Kazuo KONAGAI¹ and Hiroyuki KYOKAWA²

1 Member of JSCE, Professor, Institute of Industrial Science, University of Tokyo, Tokyo, Japan, konagai@iis.u-tokyo.ac.jp
2 Member of JSCE, JSPS Researcher, Institute of Industrial Science, University of Tokyo, Tokyo, Japan, kyokawa@iis.u-tokyo.ac.jp

Key facts:

・ Hazard Type: Sinkholes
・ Date of the disaster: Mainly April 11th, 2011 Hamadori Earthquake of MJMA 7.0 (MW 6.4)
・ Location of the survey (Lat. Lon., name or address): The entire extent of Idosawa and Yunotake Faults
・ Date of the field survey (if any): March 27th, 2012
・ Survey tools (if any): GPS

Key findings:

1) kml file for locations of sinkholes

Key Words:

sinkholes, abandoned mines, April 11th 2011 Hamadori Earthquake, seismic faults

Paper: PDF 969.25 KB