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 S1. Random Effects for Model 1

Model Coefficients*	Ground-Motion Prediction Equations†
	ASK14	BSSA14	CB14	CY14	I14
c0	0.039646	0.034545	0.026151	0.032681	0.031105
c1	0.000167	0.000167	0.000167	0.000167	0.000167
c2	0.007734	0.007734	0.007734	0.007734	0.007734
c3	0.002582	0.001826	−0.00304	−0.00135	−0.0013
m1	4.450506	4.450506	4.450506	4.450506	4.450506
m2	5.881977	5.881977	5.881977	5.881977	5.881977

*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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