The Shallow Subsurface Structure Detected by the Directionally Dependent H/V Spectral Ratio of Microtremors

Shinichi Matsushima, Kyoto University, Disaster Prevention Resarch Institute, Uji, Japan, Hiroyuki Kosaka, Toda Corporation, Institude of Construction Technology, Tsukuba, Japan, Toga Kobayashi, Sumitomo Corporation, Tokyo, Japan and Hiroshi Kawase, Kyoto University, Disaster Prevention Resarch Institute, Kyoto, Japan