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Table 1 Results of stress inversiona

From: Focal mechanisms and stress field in the Nobi fault area, central Japan

Group Depth N of F.M. N of nodes σ 1-axis R
1st 2–7 147 25 N107°±5° E 0.7 ± 0.15
2nd 5–10 327 62 N100°±7° E 0.8 ± 0.12
3rd 8–13 317 58 N96°±9° E 0.9 ± 0.11
4th 11–16 142 33 N87°±8° E 0.8 ± 0.15
  1. aDepths are in km, N of F.M. is the number of focal mechanisms included in each group, and N of nodes is the number of nodes with more than 10 focal mechanisms