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 S2. Random Effects for Model 2

Model Coefficients*	Ground-Motion Prediction Equations†
	ASK14	BSSA14	CB14	CY14	I14
c0	0.040293	0.03519	0.026802	0.033332	0.031756
c1	0	0	0	0	0
c2	0.00773	0.00773	0.00773	0.00773	0.00773
c3	0.002598	0.001849	−0.00302	−0.00133	−0.00128
m1	4.43769	4.43769	4.43769	4.43769	4.43769
m2	5.879446	5.879446	5.879446	5.879446	5.879446

*m₁ and m₂ are magnitude hinge points separating the three linear segments of the model, c₀ is a constant, and c₁–c₃ are magnitude-dependent coefficients (slopes).

†ASK14, Abrahamson et al. (2014); BSSA14, Boore et al. (2014); CB14, Campbell and Bozorgnia (2014); CY14, Chiou and Youngs (2014); I14, Idriss (2014).

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