Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 236 5
10.0 314 6
15.0 389 8
20.0 448 6
25.0 492 5
30.0 527 6
40.0 579 9
50.0 615 12
75.0 673 16
100.0 707 16
150.0 747 15
200.0 769 14
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
Profile Picture
Z0.8 (m) 34.0

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

Z1 (m) 377.0

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

Z1.5 (m) 448.0

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

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Agostiny Lontsi SED 23-01-2023 17:14:43 Document SGWS-Report.pdf