Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 350 12
10.0 351 13
15.0 352 13
20.0 353 14
25.0 354 14
30.0 365 2
40.0 404 1
50.0 432 1
75.0 477 1
100.0 504 1
150.0 534 1
200.0 637 1
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) 150.0

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

Z1 (m) 150.0

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

Z1.5 (m)

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 09:28:11 Document SIOM.pdf