Figure 12

Waveforms corresponding to the Amatrice earthquake, 24 August 2016, 01:36:32 UT, doy 237, (Mw 6.0); the red lines represent the vertical, north-south and east-west components of broadband seismic station (GIGS) equipped with a Trillium 240 s seismometer; the black line is the hydraulic pressure expressed in MPa. To note the remarkable variation (0.2 Mpa pp) during the S-waves arrival. The time scale begins at 01:36:30 (UT) on 24 August 2016.