Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 277 73
10.0 300 59
15.0 328 46
20.0 350 40
25.0 366 36
30.0 378 31
40.0 401 26
50.0 427 21
75.0 499 19
100.0 562 24
150.0 668 33
200.0 756 43
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) 71.0

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

Z1 (m) 134.0

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

Z1.5 (m) 299.0

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 23-06-2014 07:35:14 Document Determination_of_Site_Information_for_Seismic_Stations.pdf
Hans-Balder Havenith SED 05-06-2014 07:20:54 Document Standort_SBIS.pdf