Table 1 Aftershock time–space identification windows (Gardner and Knopoff 1974)
From: Characteristics of the foreshock occurrence for Mj3.0 to 7.2 shallow onshore earthquakes in Japan
JMA Magnitude | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | > = 7.0 |
|---|---|---|---|---|---|---|---|---|---|---|
Distance (km) | 19.5 | 22.5 | 26 | 30 | 35 | 40 | 47 | 54 | 61 | 70 |
Time (days) | 6 | 11.5 | 22 | 42 | 83 | 155 | 290 | 510 | 790 | 915 |