Snapshots of dynamic rupture propagation for the three cases listed in Table1. The parameters used in the figure (case 1) are written in italics in Table 2. The frictional parameters vary for the small patches to maintain σ = (τp - τr) = 20 MPa. Case 1: Δτexcess for the small patches is higher. Case 2: Δτ for the small patches is higher. Case 3: both Δτexcess and Δτ are higher. The final fault slip is shown in the right column.