Fig. 6

Histograms showing the distance from the best-fit fault planes and the Kagan angles. (Left) The distance from the best-fit fault plane to each location of an aftershock. (Right) The Kagan angles from the reference focal mechanism. The Y-axis is normalized by the total number of events. a Faults 1 through 4, b Faults 5 through 8. Some examples of focal mechanisms around Fault 1 at the Kagan angle are also shown in (a)