Ground-motion scenarios consistent with PSH deaggregation for Tehran, capital city of Iran

Abdi, F.; Mirzaei, N.; Shabani, E.

This study presents the results of probabilistic seismic hazard (PSH) deaggregation for 5%-damped 0.2 and 1.0 s spectral accelerations, corresponding to mean return periods (MRPs) of 50, and 475 yr for Tehran city. The aim of this paper is to quantify the dominant events that have the most contribution on ground-motion exceedance from the above mentioned hazard levels. The scenario earthquakes are characterized by bins of magnitude ( M), source-to-site distance ( R), and epsilon (ε). The results reveal that for Tehran city, the hazard is mainly controlled by local seismicity. Generally, as the spectral acceleration period increase, the contribution of larger and more distant scenario earthquakes to the overall seismic hazard increase.

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Abdi, F. / Mirzaei, N. / Shabani, E.: Ground-motion scenarios consistent with PSH deaggregation for Tehran, capital city of Iran. 2013. Copernicus Publications.

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