Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 339 66
10.0 408 36
15.0 453 19
20.0 492 14
25.0 527 18
30.0 561 20
40.0 619 16
50.0 661 12
75.0 728 13
100.0 789 17
150.0 938 12
200.0 1041 12
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) 25.0

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

Z1 (m) 93.0

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

Z1.5 (m) 139.0

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

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Francesco Panzera SED 27-11-2020 22:09:28 Document SWYZ.pdf