The first seismograph in Iran was installed in 1959, and this marked the beginning of the national seismic catalog. The seismic network grew with years, but its coverage, the instrumental features, and the details of magnitude calculation changed over time, resulting in a highly heterogeneous national seismic catalog.

In this work, we present a unified and homogeneous catalog for the Iranian plateau (Mw≥4), created by merging data from two local catalogs and seven international agencies, each one covering the magnitude scale and period illustrated in Figure 1. This operation requires the conversion of different magnitudes used...

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