The code allows to generate N non-stationary stochastic ground motions based on few input parameters: Magnitude, Distance, Vs30 and Style-of-Faulting. The methodology is described in the cited reference. Two codes are provided, a Matlab Code and a Fortran code.
Reference:
Sabetta F, Pugliese A., Fiorentino G., Lanzano G., Luzi L. (2021)
Simulation of non-stationary stochastic ground motions based on recent Italian earthquakes.
Bulletin of Earthquake Engineering.