PGAPGAgravity, 1g = 980.5 cm/s/s defined for the B/C boundary Vs30=760m/sgSA[0.10s]SA[0.10s]gravity, 1g = 980.5 cm/s/sgSA[0.15s]SA[0.15s]gravity, 1g = 980.5 cm/s/sgSA[0.20s]SA[0.20s]gravity, 1g = 980.5 cm/s/sgSA[0.25s]SA[0.25s]gravity, 1g = 980.5 cm/s/sgSA[0.30s]SA[0.30s]gravity, 1g = 980.5 cm/s/sgSA[0.50s]SA[0.50s]gravity, 1g = 980.5 cm/s/sgSA[0.75s]SA[0.75s]gravity, 1g = 980.5 cm/s/sgSA[1.00s]SA[1.00s]gravity, 1g = 980.5 cm/s/sgSA[2.00s]SA[2.00s]gravity, 1g = 980.5 cm/s/sgSA[3.00s]SA[3.00s]gravity, 1g = 980.5 cm/s/sgSA[4.00s]SA[4.00s]gravity, 1g = 980.5 cm/s/sg