Site Characterization

Averaging Depth (m)
Average Travel Time Velocity Vsz (m/s)
Velocity Uncertainty (m/s)
5.0 152 30
10.0 179 29
15.0 205 30
20.0 227 30
25.0 248 35
30.0 275 39
40.0 320 46
50.0 354 53
75.0 415 66
100.0 455 75
150.0 503 89
200.0 531 97
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) 25.0

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

Z1 (m)

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

Z1.5 (m)

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

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Geoexpert AG Swissnuclear 23-06-2014 07:32:47 Document 09SN_00Summary_Report.pdf
Geoexpert AG Swissnuclear 05-06-2014 07:52:09 Document 09SN_13SKEH_Report.pdf
Donat Fäh SED 26-06-2014 09:49:04 Document Determination_of_Site_Information_for_Seismic_Stations.pdf