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Table 1 RMS misfits obtained in sensitivity tests of the inverted electrical resistivity model

From: Electrical resistivity modeling around the Hidaka collision zone, northern Japan: regional structural background of the 2018 Hokkaido Eastern Iburi earthquake (Mw 6.6)

Target anomaly

Replacement value (Ωm)

30

100

300

1000

C-1

2.082

2.113

2.176

2.246

C-2

2.079

2.085

2.093

2.101

C-3

2.098

2.141

2.205

2.300

Target anomaly

Replacement value (Ωm)

1000

2000

4000

10,000

R-1

2.396

2.221

2.124

2.087

  1. For target anomalies named with a leading “R” (or “C”), only the blocks with higher (or lower) resistivities than that shown in the “Replaced value” column were replaced. Italic RMS misfits indicate a model significantly different from the inverted model. The RMS misfit for the final inverted model was 2.082, and all models have 7296 degrees of freedom