Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 144 14
10.0 168 13
15.0 185 10
20.0 198 8
25.0 207 6
30.0 217 5
40.0 255 1
50.0 302 3
75.0 400 11
100.0 477 21
150.0 592 39
200.0 674 56
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) 39.0

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

Z1 (m) 141.0

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

Z1.5 (m) 633.0

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

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Clotaire Michel SED 04-09-2015 09:16:28 Document Michel_et_al_2014.pdf
Clotaire Michel SED 04-06-2014 09:30:06 Document report_epfl.pdf
Dario Chieppa SED 12-03-2024 12:55:52 Document Report_SEPFL_1.pdf