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Table 1 Parameter validity check

From: Characteristics of foreshock activity inferred from the JMA earthquake catalog

b d f η 0 FP (%) FN (%)
1.0 1.6 − 4.5 1.9 3.3
0.8 1.6 − 3.3 3.6 3.9
1.2 1.6 − 5.7 2.5 2.4
1.0 1.4 − 4.7 2.1 3.9
1.0 1.8 − 4.3 2.6 2.9
  1. The input parameters, b and d f , take the values as shown above. The meaning of FP and FN is explained in Fig. 2a