Fig. 5From: Aftershocks following the 2011 Tohoku-Oki earthquake driven by both stress transfer and afterslipSpatiotemporal distributions of the ratio of background seismicity to the total seismicity calculated using the estimated HIST-ETAS model. a–j Spatial distributions of the seismicity ratio by year. Black dashed and solid lines are the same as in Fig. 3Back to article page