Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 295 12
10.0 313 11
15.0 357 9
20.0 397 10
25.0 433 9
30.0 464 11
40.0 538 13
50.0 621 15
75.0 818 23
100.0 977 28
150.0 1215 38
200.0 1383 49
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) 33.0

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

Z1 (m) 35.0

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

Z1.5 (m) 43.0

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 04-03-2020 16:29:33 Document SHERreport_final.pdf