Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 514 55
10.0 562 34
15.0 589 28
20.0 619 24
25.0 660 39
30.0 694 56
40.0 773 83
50.0 845 99
75.0 974 126
100.0 1058 143
150.0 1174 160
200.0 1279 175
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) 27.0

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

Z1 (m) 33.0

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

Z1.5 (m) 106.0

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

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Donat Fäh SED 01-04-2015 10:21:29 Document Determination_of_Site_Information_for_Seismic_Stations.pdf
Clotaire Michel SED 03-09-2014 11:50:47 Document NOTE_on_profile_selection_1.pdf
Gabriela Gassner-Stamm SED 19-11-2015 14:33:03 Document report_BOURR.pdf