Improvement of geological subsurface structure models for Kanto area, Japan, based on records of microtremor array and earthquake observations

Atsushi Wakai1, Shigeki Senna1, Kaoru Jin1, Ikuo Cho2, Hisanori Matsuyama3 and Hiroyuki Fujiwara1, (1)National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan, (2)National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (3)OYO Corporation, Tsukuba, Japan