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 S5. κ₀ Calculated from the Weighted Geometric Mean PSA of the NGA-West2 GMPEs

Magnitude	Rupture Distance (km)	fstart–fend (Hz)	κ0 (s)	Average κ0 (s)
3.5	5	8–20	0.03091	0.03235
3.5	10	8–20	0.0323
3.5	20	8–20	0.03384
3.75	5	8–19	0.03175	0.033156667
3.75	10	8–19	0.03312
3.75	20	8–19	0.0346
4	5	7–18	0.03145	0.03307
4	10	7–18	0.03304
4	20	7–18	0.03472
4.25	5	7–18	0.03273	0.034213333
4.25	10	7–18	0.03419
4.25	20	7–18	0.03572
4.5	5	7–18	0.03392	0.035266667
4.5	10	7–18	0.03526
4.5	20	7–18	0.03662
4.75	5	6–17	0.03495	0.03635
4.75	10	6–17	0.03635
4.75	20	6–17	0.03775
5	5	5–16	0.03547	0.03655
5	10	5–16	0.03655
5	20	5–16	0.03763
5.25	5	5–16	0.03678	0.037703333
5.25	10	5–16	0.0378
5.25	20	5–16	0.03853
5.5	5	5–16	0.03752	0.03806
5.5	10	5–16	0.03812
5.5	20	5–16	0.03854
5.75	5	5–14	0.04254	0.042833333
5.75	10	5–14	0.04286
5.75	20	5–14	0.0431
6	5	4–13	0.0441	0.044016667
6	10	4–13	0.04395
6	20	4–13	0.044
6.25	5	4–13	0.04433	0.044156667
6.25	10	4–13	0.04412
6.25	20	4–13	0.04402
6.5	5	4–13	0.0445	0.044243333
6.5	10	4–13	0.04424
6.5	20	4–13	0.04399
6.75	5	4–12	0.04478	0.044446667
6.75	10	4–12	0.04445
6.75	20	4–12	0.04411
7	5	4–12	0.04454	0.044143333
7	10	4–12	0.04417
7	20	4–12	0.04372
7.25	5	4–12	0.04429	0.043813333
7.25	10	4–12	0.04386
7.25	20	4–12	0.04329
7.5	5	4–12	0.04402	0.043456667
7.5	10	4–12	0.04353
7.5	20	4–12	0.04282
7.75	5	4–12	0.04373	0.04307
7.75	10	4–12	0.04316
7.75	20	4–12	0.04232
8	5	4–12	0.04341	0.04265
8	10	4–12	0.04275
8	20	4–12	0.04179

PSA, pseudoacceleration response spectra; NGA-West2, Next Generation Attenuation-West2 project; GMPE, ground-motion prediction equation.

[ Back ]