Fig. 9
Illustration of the nonlinearity in the site term. Site amplification factor (SR: Eq. 3) versus PGArstiff (90% of CDF) at T = 0.0, 0.2, 1.0 s for R JB = 30 km, focal depth = 9 km and M w = [5 to 7]. We consider one SCP (top) and two SCPs (bottom)