NHR3 NGA-Subduction Ground-Motion Models
NGA-Subduction Ground-Motion Models
MS Excel/VisualBasic
R221103

Silvia Mazzoni

PI: Yousef Bozorgnia
Natural Hazards Risk and Resiliency Research Center (NHR3), UCLA
November 2022
DOI 10.34948/N3J01B

This is the LATEST VERSION!

Using its implementation of three NGA-Sub Ground-Motion Models: KBCG20, PSBAH20, and AG22, this Excel tools allows the user to compute the 5%-damped elastic response spectra for individual scenarios. The tool computes the weighted mean of the three ground-motion models for the median predicted value as well as any other percentile, defined in terms of sigma. Because all computations are performed via visual basic, this tool allows the computation of a large number of scenarios as well as the computation the the individual statistics for each ground-motion model, giving the user the flexibility to develop their own combination of models.

NOTE: This tool uses the latest version of the global coefficient a1 for the AG22 model. The values contained in the Earthquake Spectra paper will be updated in the near future.

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How to Cite this Tool:

Silvia Mazzoni (2022): NGA-Subduction Ground-Motion Models Excel/VisualBasic R221103. The B. John Garrick Institute for the Risk Sciences. Dataset. https://doi.org/10.34948/N3J01B (https://doi.org/10.34948/N3J01B)