Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 344 57
10.0 405 17
15.0 470 26
20.0 519 37
25.0 572 30
30.0 618 23
40.0 700 19
50.0 771 22
75.0 900 21
100.0 1025 21
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) 17.0

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

Z1 (m) 26.0

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

Z1.5 (m) 88.0

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 09:32:03 Document SBUA2.pdf