Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 317 2
10.0 474 9
15.0 582 9
20.0 657 8
25.0 712 8
30.0 755 8
40.0 815 7
50.0 856 6
75.0 918 5
100.0 956 5
150.0 1063 12
200.0 1127 21
QWL Picture

Quarter-wavelength representation of the velocity profiles. See Poggi et al. (2012). Characterizing the Vertical-to-Horizontal Ratio of Ground Motion at Soft-Sediment Sites. Bulletin of the Seismological Society of America, 102(6), 2741–2756.

Profile Picture
Z0.8 (m) 4.0

Z0.8 is the depth where the average of the profiles reach the velocity of 0.8 km/s

Z1 (m) 8.0

Z1 is the depth where the average of the profiles reach the velocity of 1 km/s,

Z1.5 (m) 329.0

Z1.5 is the depth where the average of the profiles reach the velocity of 1.5km/s

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Dario Chieppa SED 08-03-2024 09:18:35 Document Report_SBUL.pdf
Fancesco Panzera SED 27-11-2020 20:42:31 Document SBUL.pdf