Fig. 8

Linear surface displacements (blue lines) detected by SAR interferograms and known active faults (red lines marking the Eastern Boundary Fault Zone of the Ishikari Lowland; Ikeda et al. 2002) on shaded topography. Black stars indicate the positions of discontinuities in the basement found by seismic exploration (Yokokura et al. 2014). The red star shows the epicenter of the 2018 Hokkaido Eastern Iburi Earthquake (Earthquake Research Committee 2018). The black rectangle indicates a source fault plane (projected on the map) modeled by Kobayashi et al. (2019) and the dotted line indicates the upper side of the model