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by Linda Al Atik, PEER - Sep, 2009 - l_atik@berkeley.edu <br />Fault Name:Ortigalita <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 />7.10 PSA (g) 0.010 4.668E-02 6.143E-02 3.548E-02 1.159E-04 <br />SD (cm) 0.020 4.672E-02 6.147E-02 3.551E-02 4.639E-04 <br />R RUP (km)0.030 4.733E-02 6.253E-02 3.582E-02 1.057E-03 <br />89.41 0.050 4.877E-02 6.469E-02 3.676E-02 3.027E-03 <br />0.075 5.553E-02 7.391E-02 4.172E-02 7.754E-03 <br />R JB (km)0.10 6.513E-02 8.701E-02 4.875E-02 1.617E-02 <br />89.41 0.15 8.728E-02 1.173E-01 6.494E-02 4.875E-02 <br />0.20 1.053E-01 1.422E-01 7.803E-02 1.046E-01 <br />R X (km)0.25 1.169E-01 1.584E-01 8.626E-02 1.814E-01 <br />89.41 0.30 1.156E-01 1.573E-01 8.500E-02 2.583E-01 <br />0.40 1.090E-01 1.489E-01 7.978E-02 4.329E-01 <br />U 0.50 9.890E-02 1.356E-01 7.211E-02 6.138E-01 <br />1 0.75 7.678E-02 1.058E-01 5.574E-02 1.072E+00 <br />1.0 6.141E-02 8.490E-02 4.442E-02 1.525E+00 <br />F RV 1.5 4.032E-02 5.591E-02 2.908E-02 2.252E+00 <br />0 2.0 2.825E-02 3.928E-02 2.033E-02 2.806E+00 <br />3.0 1.700E-02 2.370E-02 1.219E-02 3.798E+00 <br />F NM 4.0 1.161E-02 1.623E-02 8.313E-03 4.613E+00 <br />0 5.0 8.551E-03 1.203E-02 6.076E-03 5.307E+00 <br />7.5 4.743E-03 6.765E-03 3.325E-03 6.623E+00 <br />F HW 10.0 2.641E-03 3.803E-03 1.834E-03 6.555E+00 <br />0 <br />Z TOR (km)PGA (g) 0 0.0464 0.0610 3.523E-02 <br />0.00 PGV (c/s) -1 5.132E+00 6.782E+00 3.883E+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 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