Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 293 6
10.0 473 17
15.0 609 18
20.0 712 19
25.0 793 20
30.0 859 20
40.0 961 21
50.0 1035 21
75.0 1173 13
100.0 1293 41
150.0 1583 61
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) 5.0

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

Z1 (m) 6.0

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

Z1.5 (m) 33.0

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 14-10-2016 10:08:51 Document report_cod.pdf