From: Investigating P- and S-wave velocity structure beneath the Marmara region (Turkey) and the surrounding area from local earthquake tomography
Depth (km)
Vp (km/s)
Vs (km/s)
−1
5.63
3.19
5
6.03
3.46
10
6.21
3.53
15
6.36
3.62
20
6.61
3.77
30
7.31
4.21
40
7.76
4.46
50
7.97
4.52
100
8.3
4.75