Table 3 Percentage of earthquakes that have foreshocks using various time–space windows
From: Characteristics of the foreshock occurrence for Mj3.0 to 7.2 shallow onshore earthquakes in Japan
Time (days) | ||||
|---|---|---|---|---|
5 | 10 | 15 | 20 | |
Distance (km) | ||||
3 | 31.51% | 37.90% | 41.58% | 44.48% |
6 | 39.06% | 48.06% | 53.58% | 57.70% |
9 | 45.45% | 56.10% | 61.86% | 66.17% |