From: Seismic microzonation of a region with complex surficial geology based on different site classification approaches
Site class
% of total area
Mean T0 (s)
Mean VS,avg (m/s)
Mean VS,30 (m/s)
Mean thickness (m)
Bedrock
22
–
2500
SCI
43
0.07
274
1304
3.6
SCII
15
0.29
142
400
10.3
SCIII
7
0.49
151
245
18.6
SCIV
13
1.03
176
165
46.3