Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 255 13
10.0 323 12
15.0 364 14
20.0 411 10
25.0 464 8
30.0 509 9
40.0 581 10
50.0 638 12
75.0 759 12
100.0 872 10
150.0 1084 13
200.0 1243 11
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) 19.0

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

Z1 (m) 32.0

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

Z1.5 (m) 89.0

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 17:39:43 Document report_apk.pdf