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Table 2 Summary of source parameters in the aftershock waveform modeling

From: Source rupture process of the 2018 Hokkaido Eastern Iburi earthquake deduced from strong-motion data considering seismic wave propagation in three-dimensional velocity structure

Origin time (JST)a 2018/09/14 09:48:32.06
Epicentera 42.8042°N, 141.9882°E
Moment tensor depthb 29 km
Moment tensorb Mxx = − 0.1267 × 1015 Nm
Mxy = − 0.0592 × 1015 Nm
Mxz = − 0.1178 × 1015 Nm
Myy = − 0.7915 × 1015 Nm
Myz = − 1.8442 × 1015 Nm
Mzz = 0.9182 × 1015 Nm
Seismic momentb 2.04 × 1015 Nm (MW 4.1)
Source duration 0.8 s
  1. aThe origin time and hypocenter were taken from the JMA unified earthquake catalog
  2. bThe moment tensor solution was taken from the NIED F-net moment tensor catalog (National Research Institute for Earth Science and Disaster Resilience 2019b)