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Investor Presentaiton

ana Trench 63 Cilento M Stigliano landslide: comparison between ERT and HVSR ERTZ ERTI 51 54 8 HVSR1 7 6 5 4 3 0.1 HVSR2 HVSR Via Cilento Elev. 920.0 0.0 915.0 910.0 905.0 980.0 895.0 Hodel resistivity with topography Iteration 4 RHS error = 7.6 890.0 NW Max. H/V at 1.25 ± 0.47 Hz (in the range 0.0 - 64.0 Hz). 10 frequency [Hz] HVSR1 64.0 32.0 5.00 10.0 20.0 40.0 80.0 Resistivity in ohm.m 160 320 640 ERT1 128.0 96.0 Geophysical measurements n. 2 Electrical resistivity tomographies (ERT) n. 2 Ambient seismic noise measurements (HVSR) Average HW N-S/V E-W/V H/V SE

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