Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 221 5
10.0 306 4
15.0 403 6
20.0 490 13
25.0 578 12
30.0 659 12
40.0 803 14
50.0 932 14
75.0 1192 17
100.0 1392 25
150.0 1683 40
200.0 1895 52
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) 10.0

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

Z1 (m) 13.0

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

Z1.5 (m) 16.0

Z1.5 is the depth where the average of the profiles reach the velocity of 1.5km/s

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Valerio Poggi SED 19-11-2015 14:33:57 Document Report_EMING_20141224.pdf