Electronic Supplement to
Estimation of κ0 Implied by the High-Frequency Shape of the NGA-West2 Ground-Motion Prediction Equations

by Arash Zandieh, Kenneth W. Campbell, and Shahram Pezeshk

Table S6. κ0 Calculated from the Weighted Geometric Mean PSA of the Four NGA-West2 GMPEs (Excluding BSSA14)

Magnitude Rupture Distance (km) fstart−fend (Hz) κ0 (s) Average κ0 (s)
3.5 5 8–20 0.03109 0.03237
3.5 10 8–20 0.03235
3.5 20 8–20 0.03367
3.75 5 8–20 0.03179 0.032956667
3.75 10 8–20 0.03294
3.75 20 8–20 0.03414
4 5 7–18 0.03167 0.032966667
4 10 7–18 0.0329
4 20 7–18 0.03433
4.25 5 7–18 0.03298 0.034143333
4.25 10 7–18 0.03408
4.25 20 7–18 0.03537
4.5 5 6–17 0.03442 0.035556667
4.5 10 6–17 0.03543
4.5 20 6–17 0.03682
4.75 5 6–17 0.03606 0.03699
4.75 10 6–17 0.03688
4.75 20 6–17 0.03803
5 5 6–16 0.03774 0.038326667
5 10 6–16 0.03823
5 20 6–16 0.03901
5.25 5 6–16 0.03945 0.039856667
5.25 10 6–16 0.0398
5.25 20 6–16 0.04032
5.5 5 5–14 0.04169 0.041833333
5.5 10 5–14 0.04174
5.5 20 5–14 0.04207
5.75 5 5–14 0.04211 0.04214
5.75 10 5–14 0.0421
5.75 20 5–14 0.04221
6 5 4–13 0.04203 0.041736667
6 10 4–13 0.0416
6 20 4–13 0.04158
6.25 5 4–13 0.04241 0.04208
6.25 10 4–13 0.04199
6.25 20 4–13 0.04184
6.5 5 4–12 0.043 0.04261
6.5 10 4–12 0.04254
6.5 20 4–12 0.04229
6.75 5 4–12 0.0431 0.04271
6.75 10 4–12 0.04267
6.75 20 4–12 0.04236
7 5 4–12 0.04291 0.04251
7 10 4–12 0.0425
7 20 4–12 0.04212
7.25 5 4–12 0.04269 0.042266667
7.25 10 4–12 0.04228
7.25 20 4–12 0.04183
7.5 5 4–12 0.04243 0.04198
7.5 10 4–12 0.04202
7.5 20 4–12 0.04149
7.75 5 4–12 0.04214 0.04165
7.75 10 4–12 0.04171
7.75 20 4–12 0.0411
8 5 4–12 0.04179 0.04127
8 10 4–12 0.04135
8 20 4–12 0.04067

PSA, pseudoacceleration response spectra; NGA-West2, Next Generation Attenuation-West2 project; GMPE, ground-motion prediction equation; BSSA14, Boore et al. (2014).

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