Table 5 Comparison of average source depths Z t, Z o, and Z b that for square blocks with the L, dimension of 51, 103, and 129 km
| Subsurface zone (km) | Block, L dimension | Mean depth (km) | Variation of mean (+/− km) | Variation of mean (+/− %) | ||
|---|---|---|---|---|---|---|
| 51 km | 103 km | 129 km | ||||
| Z t | 4.66 | 4.76 | 4.83 | 4.75 | 0.56 | 11.7 |
| Z o | 7.74 | 7.94 | 8.08 | 7.92 | 0.74 | 9.4 |
| Z b | 10.81 | 11.12 | 11.33 | 11.09 | 0.96 | 8.6 |