GNGTS 2021 - Atti del 39° Convegno Nazionale

67 GNGTS 2021 S essione 1.1 version 2.8.6). Areas interested by displacement, were then manually delimited by polygons that are used to calculate the area of the surface affected by deformation. From national seismic cata- logs we extracted the whole instrumental seismicity affecting the volume of the crust underlying the region deformed during the coseismic phase of the selected event. The deepest depth of recorded events may be used to define the maximum seismogenic depth at that location. The maximum depth of seismicity is used to a estimate of the volume coseismically mobilized during the earthquake sequence (Petricca et al ., 2015; Petricca et al ., 2019). Accelerometric data are mainly recorded by the Italian National Accelerometric Network (RAN) and National Seismic Network (RSN) and freely provided for downloading by the ITACA v3.1 web archive (itaca.mi.ingv.it; D’amico et al ., 2020). Data include ground motion distribu- tion of the seismic events in terms of Peak Ground Acceleration (PGA) and Peak Ground Velocity (PGV) with horizontal and vertical components, plus information about the soil category (NTC18 Fig. 1 - Classification according to focal mechanism (upper panel) and distribution of the studied earthqua- kes. Red, normal faults; light blue, thrusts; green, strike-slip faults.