Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 245 12
10.0 300 18
15.0 366 13
20.0 423 20
25.0 436 48
30.0 492 50
40.0 585 53
50.0 614 87
75.0 578 40
100.0 595 16
150.0 656 23
200.0 700 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) 16.0

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

Z1 (m) 20.0

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

Z1.5 (m) 278.0

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 14-03-2024 07:53:12 Document SIOH_report.pdf