From: Application of a simplified calculation for full-wave microtremor H/V spectral ratio based on the diffuse field approximation to identify underground velocity structures
Layer
V s
Depth
1
V s1 = 100 m/s
10 m(= λ 0/4)
2
2V s1
4V s1
5V s1
6V s1
7V s1
8V s1
400 m(= 10λ 0)a
Cap
10V s1
12V s1
14V s1
16V s1
∞