Fig. 6

Pie charts showing the proportion of each fault type. The distributions of events with M ≥ 2.5 and M < 2.5 are shown at right. See caption of Fig. 3 and text for the explanation of grades A and B
Pie charts showing the proportion of each fault type. The distributions of events with M ≥ 2.5 and M < 2.5 are shown at right. See caption of Fig. 3 and text for the explanation of grades A and B