Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 311 61
10.0 350 30
15.0 367 17
20.0 378 9
25.0 394 9
30.0 418 14
40.0 474 14
50.0 519 11
75.0 620 10
100.0 710 11
150.0 831 14
200.0 908 17
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) 46.0

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

Z1 (m) 62.0

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

Z1.5 (m)

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

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Fancesco Panzera SED 27-11-2020 19:15:41 Document SNTZ.pdf