Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 330 27
10.0 362 12
15.0 372 10
20.0 383 9
25.0 391 7
30.0 397 6
40.0 409 5
50.0 434 5
75.0 490 5
100.0 550 6
150.0 716 8
200.0 846 13
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) 88.0

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

Z1 (m) 94.0

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

Z1.5 (m) 98.0

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 12-06-2017 17:53:18 Document report_wik.pdf