Table 1: Characteristics of the selected accelerograms.

RecordsDuration (s) PGA m/sec2Time Step (s)Country of eventDate of event StationPosition LongitudeLatitude
components

Tabas 50 3.42 0.01 Iran Deyhook33.3′N, 57.52′E3.27 4.10
Naghan 5 7.09 0.001 Iran Central 31.98′N, 50.68′E7.61 7.61
El Centro53.7 3.49 0.01 USA E06 array32.44′N, 115.3′W3.35 4.03