Table 5 Initial underground structure based on the J-SHIS data
No. | Thickness (m) | Depth (m) | Vp (m/s) | Vs (m/s) | Density (g/cm3) | No. | Thickness (m) | Depth (m) | Vp (m/s) | Vs (m/s) | Density (g/cm3) |
|---|---|---|---|---|---|---|---|---|---|---|---|
ARAH | NAGA | ||||||||||
1 | 22.0 | 22.0 | 1000.0 | 200.0 | 1.85 | 1 | 40.0 | 40.0 | 1200.0 | 200.0 | 1.75 |
2 | 44.0 | 44.0 | 1600.0 | 350.0 | 1.85 | 2 | 40.0 | 80.0 | 1600.0 | 350.0 | 1.85 |
3 | 97.0 | 141.0 | 2000.0 | 650.0 | 1.95 | 3 | 97.0 | 177.0 | 2000.0 | 650.0 | 1.95 |
4 | 10.0 | 151.0 | 2300.0 | 900.0 | 1.95 | 4 | 10.0 | 187.0 | 2300.0 | 900.0 | 2.05 |
5 | 25.0 | 176.0 | 2600.0 | 1200.0 | 2.15 | 5 | 272.0 | 459.0 | 2600.0 | 1200.0 | 2.15 |
6 | 58.0 | 234.0 | 3200.0 | 1500.0 | 2.25 | 6 | 161.0 | 620.0 | 3200.0 | 1500.0 | 2.25 |
7 | 101.0 | 335.0 | 3600.0 | 1800.0 | 2.35 | 7 | 166.0 | 786.0 | 3600.0 | 1800.0 | 2.35 |
8 | 281.0 | 616.0 | 4000.0 | 2100.0 | 2.40 | 8 | 163.0 | 949.0 | 4000.0 | 2100.0 | 2.40 |
9 | 1385.0 | 2001.0 | 5500.0 | 3100.0 | 2.60 | 9 | 1094.0 | 2043.0 | 5500.0 | 3100.0 | 2.60 |
10 | ∞ | ∞ | 5700.0 | 3300.0 | 2.70 | 10 | ∞ | ∞ | 5700.0 | 3300.0 | 2.70 |
NAKA | SHIR | ||||||||||
1 | 22.0 | 22.0 | 1000.0 | 200.0 | 1.75 | 1 | 28.0 | 28.0 | 1000.0 | 200.0 | 1.70 |
2 | 44.0 | 44.0 | 1600.0 | 350.0 | 1.85 | 2 | 29.0 | 57.0 | 1600.0 | 350.0 | 1.85 |
3 | 97.0 | 141.0 | 2000.0 | 650.0 | 1.95 | 3 | 272.0 | 329.0 | 2000.0 | 650.0 | 1.95 |
4 | 10.0 | 151.0 | 2300.0 | 900.0 | 2.05 | 4 | 10.0 | 339.0 | 2300.0 | 900.0 | 2.05 |
5 | 25.0 | 176.0 | 2600.0 | 1200.0 | 2.15 | 5 | 18.0 | 357.0 | 2600.0 | 1200.0 | 2.15 |
6 | 58.0 | 234.0 | 3200.0 | 1500.0 | 2.25 | 6 | 214.0 | 571.0 | 3200.0 | 1500.0 | 2.25 |
7 | 101.0 | 335.0 | 3600.0 | 1800.0 | 2.35 | 7 | 30.0 | 601.0 | 3600.0 | 1800.0 | 2.35 |
8 | 281.0 | 616.0 | 4000.0 | 2100.0 | 2.40 | 8 | 100.0 | 701.0 | 4000.0 | 2100.0 | 2.40 |
9 | 1385.0 | 2001.0 | 5500.0 | 3100.0 | 2.60 | 9 | 1303.0 | 2004.0 | 5500.0 | 3100.0 | 2.60 |
10 | ∞ | ∞ | 5700.0 | 3300.0 | 2.70 | 10 | ∞ | ∞ | 5700.0 | 3300.0 | 2.70 |
TRMA | MYG015 | ||||||||||
1 | 5.0 | 5.0 | 1000.0 | 200.0 | 1.75 | 1 | 32.0 | 32.0 | 1000.0 | 200.0 | 1.75 |
2 | 6.0 | 11.0 | 1600.0 | 350.0 | 1.85 | 2 | 32.0 | 64.0 | 1600.0 | 350.0 | 1.85 |
3 | 55.0 | 66.0 | 2000.0 | 650.0 | 1.95 | 3 | 203.0 | 267.0 | 2000.0 | 650.0 | 1.95 |
4 | 5.0 | 71.0 | 2300.0 | 900.0 | 2.05 | 4 | 10.0 | 277.0 | 2300.0 | 900.0 | 2.05 |
5 | 6.0 | 77.0 | 2600.0 | 1200.0 | 2.15 | 5 | 25.0 | 302.0 | 2600.0 | 1200.0 | 2.15 |
6 | 178.0 | 255.0 | 3200.0 | 1500.0 | 2.25 | 6 | 243.0 | 545.0 | 3200.0 | 1500.0 | 2.25 |
7 | 2.0 | 257.0 | 3600.0 | 1800.0 | 2.35 | 7 | 54.0 | 599.0 | 3600.0 | 1800.0 | 2.35 |
8 | 217.0 | 474.0 | 4000.0 | 2100.0 | 2.40 | 8 | 123.0 | 722.0 | 4000.0 | 2100.0 | 2.40 |
9 | 27.0 | 501.0 | 5000.0 | 2700.0 | 2.50 | 9 | 1282.0 | 2004.0 | 5500.0 | 3100.0 | 2.60 |
10 | 1535.0 | 2036.0 | 5500.0 | 3100.0 | 2.60 | 10 | ∞ | ∞ | 5700.0 | 3300.0 | 2.70 |
11 | ∞ | ∞ | 5700.0 | 3300.0 | 2.70 |  |  |  |  |  |  |