Figure 1 . A: Correlation between the 7 May 2020 M5.1 mainshock rupture (colored ellipse) and M>2.5 aftershocks of the first 45 days (Red circles). Stars are mainshock and largest aftershock hypocenters relocated in this study. The mainshock focal mechanism is obtained in this study. The M4.1 27/05/2020 aftershock focal mechanism is from IRSC. Inner colors represent their depths. Faults are in red lines. Blue curved lines represent rupture direction. The green square is the location of Mosha town. The light-green dashed ellipses show the damaged areas of the Ms5.2 1930 and Mb4.0 1955 earthquakes (after Berberian et al., 1993). Other focal mechanisms are from microearthquakes on the Mosha fault obtained by Tatar et al. (2012) from June to October 2006. The yellow circle is the observed thermal area on the Mosha fault (after Eskandari et al., 2018). B : Seismicity in the distance of 5 km from the Mosha fault from 1996 until the M5.1 mainshock. Black and Yellow circles are the earthquakes from 1996 to the end of 2005, and 2006 until before the M5.1, respectively. Black, Purple, and brown dashed lines are Western, Central, and Eastern segments of the Mosha fault, respectively. C : Histogram showing the distribution of earthquakes along the Mosha fault. D : Distribution of scalar seismic moments along the Mosha fault from 2006 until before the 2020 M5.1 mainshock. E : Distribution of scalar seismic moments along Mosha fault from 2006 until 22 June 2020, including the M5.1 mainshock and 29 M>=2.5 early aftershocks.