The deformed structure of the upper part of Tokyo formation and Alluvial beds at Iriya station, Taito ward - the evidence of the Asukayama fault?

Isamu Toyokura

Presentation information

[J] Oral

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS12] Active faults and paleoseismology

Sun. May 22, 2022 1:45 PM - 3:15 PM 103 (International Conference Hall, Makuhari Messe)

convener:Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), convener:Yoshiki Shirahama(Advanced Industrial Science and Technology, Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology, Active Fault Research Group), Yoshiki Sato(Advanced Industrial Science and Technology, Geological Survey of Japan), convener:Masayuki Yoshimi(Geological Survey of Japan, AIST), Chairperson:Masayuki Yoshimi(Geological Survey of Japan, AIST), Tatsuya Ishiyama(Earthquake Research Institute, University of Tokyo)

2:30 PM - 2:45 PM

[SSS12-03] The deformed structure of the upper part of Tokyo formation and Alluvial beds at Iriya station, Taito ward - the evidence of the Asukayama fault?

*Isamu Toyokura¹ (1.Geo-Toyokura Professional Engineer's Office)

Keywords:Active fault, Earthquake underneath the Metropolitan area, Concealed active fault in the Yamanote upland, Asukayama fault

The presenter reports the result of analysis on the probabelity of a NW-SE fault along the northeastern cliff of Yamanote Upland based on geological discussions of a geologic section by the Tokyo Metro Hibiya line and nearby bore hole data.