Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 255 4
10.0 343 3
15.0 403 6
20.0 450 8
25.0 501 9
30.0 543 12
40.0 607 16
50.0 660 17
75.0 767 27
100.0 853 34
150.0 969 51
200.0 1040 66
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) 20.0

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

Z1 (m) 45.0

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

Z1.5 (m) 83.0

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

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Paolo Bergamo SED 25-05-2020 16:31:16 Document SRFW_report_final.pdf