Layer_Top_Depth(km) Vp(km/s) Vs(km/s) -5 4.24 1.68 3 6.28 3.63 15 7.00 3.91 27 7.65 4.38 40 7.85 4.56 50 7.94 4.56 80 8.05 4.66 110 8.29 4.76 140 8.61 4.85 200 9.14 5.35