Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 276 42
10.0 301 27
15.0 337 28
20.0 376 31
25.0 404 36
30.0 420 29
40.0 385 21
50.0 360 11
75.0 365 11
100.0 380 11
150.0 428 11
200.0 465 8
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) 225.0

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

Z1 (m) 254.0

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

Z1.5 (m) 257.0

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 10:33:32 Document SBUH.pdf