Investor Presentaiton
ERT1
Elev.
220.0-
200.0
180.0-
160.0-
140.0
Montescaglioso landslide: comparison between ERT, HVSR and stratigraphical data
HV13
ERTO
(a)
Model resistivity with topography
Elev
240.0
Iteration 3 RHS error -11.9
220.0
Sands and gravel silty
Conglomerates
SHV14
CS
HV07
hent
HV15
R13
HV09
HV12
Sust
HVO
ERT2
HV10
Model resistivity with topography
Iteration 3 RMS error
4.2
0.0
Landslide boundary
120.0
100.0
80.0-
SW
2.00
4.00
8.00
16.0
St-S9
ERT1
V02
HVSR01
8
8
Average H
Sid Dev
6
M
4
2
6
W
4
2
HVSR02
200.0- ERTO
180.0-
Clays
S8 reprojected
800.0
640.0
480.0
320.0
ST-S6
160.0-
160.0 ST-S5
149.8 0.0
ST-S11
120.0-
100.0-
80.0
60.0
40.0-
SW
20.0
2.00
4.00
8.00
16.0 32.0
Resistivity in ohm.m
64.0
128
256
8 HVSR04
6
Average H/W
HVSR09
Average H/V HVSR05
Std Dev
Std.Dev.
Average HV
Std Dev
(b)
Model resistivity with topography
Iteration 3 RMS error = 7.3
4
2
10
frequency [Hz]
HVSR09
320.0
ST-S6
10
Elev.
200.0
frequency [Hz]
180.0
HVSR04
ERT2
160.0-
160.0 ST-S5
140.0.0.0
ST-S11
120.0
100.0-
Average HV
SW
Std. Dev.
80.0-
S6
60.0-
2.00
4.00
8.00
16.0
32.0
Resistivity in ohm.m
64.0
128
256
°
0
1
10
1
10
frequency [Hz]
frequency [Hz]
HVSR02
Landslide boundary
640.0
HVSR01
320.0
S5
160.0
32.0 64.0
Resistivity in ohm.m
128
256
480.0
Silty clay
Clays
NE
frequency [Hz]
480.0
10
HVSR05
640.0
Geophysical measurements
n. 5 Electrical resistivity tomographies (ERT)
n. 15 Ambient seismic noise measurements (HVSR)
S8
NE
NEView entire presentation