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by Linda Al Atik, PEER - Sep, 2009 - l_atik@berkeley.edu <br />Fault Name:San Andreas; SAO+SAN+SAP+SAS <br />This Excel file calculates the weighted average of the natural logarithm of the spectral values from the NGA models <br />NGA Model:AS08 BA08 CB08 CY08 I08 <br />Weight:100 0 0 <br />N 0.5 <br />Explanatory Variables <br />M GMP T (s) SA Median SA Median + N.σ SA Median - N.σ SD Median <br />8.05 PSA (g) 0.010 7.441E-02 9.768E-02 5.668E-02 1.847E-04 <br />SD (cm) 0.020 7.415E-02 9.733E-02 5.650E-02 7.363E-04 <br />R RUP (km)0.030 7.423E-02 9.778E-02 5.634E-02 1.658E-03 <br />132.99 0.050 7.217E-02 9.536E-02 5.461E-02 4.479E-03 <br />0.075 7.759E-02 1.028E-01 5.855E-02 1.083E-02 <br />R JB (km)0.10 9.050E-02 1.204E-01 6.804E-02 2.247E-02 <br />132.99 0.15 1.260E-01 1.687E-01 9.406E-02 7.035E-02 <br />0.20 1.634E-01 2.200E-01 1.214E-01 1.623E-01 <br />R X (km)0.25 1.950E-01 2.637E-01 1.442E-01 3.025E-01 <br />132.99 0.30 2.034E-01 2.762E-01 1.497E-01 4.544E-01 <br />0.40 2.061E-01 2.815E-01 1.509E-01 8.186E-01 <br />U 0.50 1.972E-01 2.704E-01 1.438E-01 1.224E+00 <br />1 0.75 1.668E-01 2.298E-01 1.211E-01 2.329E+00 <br />1.0 1.373E-01 1.899E-01 9.935E-02 3.409E+00 <br />F RV 1.5 9.416E-02 1.306E-01 6.791E-02 5.259E+00 <br />0 2.0 6.795E-02 9.446E-02 4.888E-02 6.747E+00 <br />3.0 4.254E-02 5.931E-02 3.051E-02 9.504E+00 <br />F NM 4.0 2.989E-02 4.177E-02 2.140E-02 1.187E+01 <br />0 5.0 2.249E-02 3.166E-02 1.598E-02 1.396E+01 <br />7.5 1.303E-02 1.858E-02 9.134E-03 1.819E+01 <br />F HW 10.0 8.515E-03 1.226E-02 5.912E-03 2.114E+01 <br />0 <br />Z TOR (km)PGA (g) 0 0.0739 0.0970 5.628E-02 <br />0.20 PGV (c/s) -1 1.092E+01 1.443E+01 8.262E+00 <br /> δ <br />90 <br />V S30 (m/sec) <br />455 <br />F Measured <br />0 <br />Z 1.0 (m) <br />DEFAULT DEFINITION OF PARAMETERS: <br />Z 2.5 (km)N = Number of standard deviations to be considered in the calculations <br />DEFAULT PSA = Pseudo-absolute acceleration response spectrum (g; 5% damping) <br /> PGA = Peak ground acceleration (g) <br />W (km) PGV = Peak ground velocity (cm/s) <br />11.8 SD = Relative displacement response spectrum (cm; 5% damping) <br /> M = Moment magnitude <br />F AS R RUP = Closest distance to coseismic rupture (km), used in AS08, CB08 and CY08. See Figures a, b and c for illustation <br />0 R JB = Closest distance to surface projection of coseismic rupture (km). See Figures a, b and c for illustation <br /> R X = Horizontal distance from top of rupture measured perpendicular to fault strike (km), used in AS08 and CY08. See Figures a, b and c for illustation <br />HW Taper U = Unspecified-mechanism factor: 1 for unspecified; 0 otherwise, used in BA08 <br />0 F RV = Reverse-faulting factor: 0 for strike slip, normal, normal-oblique; 1 for reverse, reverse-oblique and thrust <br /> F N = Normal-faulting factor: 0 for strike slip, reverse, reverse-oblique, thrust and normal-oblique; 1 for normal <br /> F HW = Hanging-wall factor: 1 for site on down-dip side of top of rupture; 0 otherwise, used in AS08 and CY08 <br /> Z TOR = Depth to top of coseismic rupture (km), used in AS08, CB08 and CY08 <br /> δ = Average dip of rupture plane (degrees), used in AS08, CB08 and CY08 <br /> V S 30 = Average shear-wave velocity in top 30m of site profile <br /> F Measured = Vs30 Factor: 1 if VS30 is measured, 0 if Vs30 is inferred, used in AS08 and CY08 <br /> Z 1.0 = Depth to 1.0 km/sec velocity horizon (m), used in AS08 and CY08. Enter "DEFAULT" in order to use the default values or enter your <br /> site specific number <br /> Z 2.5 = Depth of 2.5 km/s shear-wave velocity horizon (km), used in CB08. Enter "DEFAULT" in order to use the default value or enter your <br /> site specific number <br /> W = Fault rupture width (km), used in AS08 <br /> F AS = Aftershock factor: 0 for mainshock; 1 for aftershock, used in AS08 and CY08 <br />HW Taper = To choose the hanging wall taper to be used in AS08. Enter 0 to use the hanging wall taper as published in Abrahamson and Silva (2008), <br /> or enter 1 to use the revised hanging wall taper suggested by Norm Abrahamson <br />Geometric Mean Horizontal Component <br />CALCULATION OF WEIGHTED AVERAGE 2008 NGA MODELS: <br />AS08: Abrahamson & Silva 2008 NGA Model <br />BA08: Boore & Atkinson 2008 NGA Model <br />CB08: Campbell & Bozorgnia 2008 NGA Model <br />CY08: Chiou & Youngs 2008 NGA Model <br />I08: Idriss 2008 NGA Model <br />0.001 <br />0.01 <br />0.1 <br />1 <br />10 <br />0.01 0.1 1 10Spectral Acceleration)Period (s) <br />5%-Damped Pseudo-Absolute Acceleration Response Spectrum <br />Median Median + N.σ Median - N.σ