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Table 1. Number of earthquakes with positive/negative/insignificant or high absolute ΔCFFs as a function of threshold magnitudes.

From: Change in seismicity beneath the Tokyo metropolitan area due to the 2011 off the Pacific coast of Tohoku Earthquake

Threshold magnitude

Positive ΔCFF

Negative ΔCFF

Insignificant or high absolute ΔCFF

Total number

1st nodal plane

2.0

18790 (61.2%)

5677 (18.5%)

6227 (20.3%)

30694

2.5

11992 (59.3%)

3935 (19.5%)

4288 (21.2%)

20215

3.0

5811 (58.6%)

2002 (20.2%)

2100 (21.2%)

9913

3.5

2527 (59.9%)

873 (20.7%)

819 (19.4%)

4219

4.0

995 (59.5%)

365 (21.8%)

312 (18.7%)

1672

4.5

354 (57.1%)

158 (25.5%)

108 (17.4%)

620

5.0

90 (53.6%)

50 (29.8%)

28 (16.7%)

168

2nd nodal plane

2.0

18828 (61.3%)

5850 (19.1%)

6016 (19.6%)

30694

2.5

11771 (58.2%)

4211 (20.8%)

4233 (20.9%)

20215

3.0

5638 (56.9%)

2142 (21.6%)

2133 (21.5%)

9913

3.5

2395 (56.8%)

929 (22.0%)

895 (21.2%)

4219

4.0

942 (56.3%)

392 (23.4%)

338 (20.2%)

1672

4.5

336 (54.2%)

161 (26.0%)

123 (19.8%)

620

5.0

81 (48.2%)

53 (31.5%)

34 (20.2%)

168