Fig. 4From: Why do aftershocks occur? Relationship between mainshock rupture and aftershock sequence based on highly resolved hypocenter and focal mechanism distributionsBest-fit fault planes of the 2000 Western Tottori Earthquake by PCA. a Map view with the relocated aftershock hypocenters. b Perspective view of fault orientations. Numbers correspond to the index numbers of faults listed in Table 1 Back to article page