MOESM1 of Why do aftershocks occur? Relationship between mainshock rupture and aftershock sequence based on highly resolved hypocenter and focal mechanism distributions

Additional file 1. Procedure of event selection for principal component analysis (PCA). This file describes our procedure for event selection

MOESM2 of Why do aftershocks occur? Relationship between mainshock rupture and aftershock sequence based on highly resolved hypocenter and focal mechanism distributions

Additional file 2. Validation of the thickness of aftershock distribution by using the observed differential arrival times. This file shows the waveform records to validate the thickness of aftershock distribution