Significant Anomalies in Seismograms for Intra-slab Earthquakes Observed in Kanto area, Japan, and their Interpretation

Nozomi Kanaya1, Takuto Maeda2, Kazushige Obara3 and Akiko Takeo1, (1)Earthquake Research Institute, The University of Tokyo, Tokyo, Japan, (2)ERI, The University of Tokyo, Tokyo, Japan, (3)ERI, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan