Table 2.
Parameters and results for infrasound-based yield estimation using different IMS arrays and methods.
| Parameter | I48TN | I26DE | I17CI | Resulting yield average |
|---|---|---|---|---|
| Dominant period at maximum amplitude (s) | 4.6 | 4.6 | 5.4 | |
| Maximum peak-to-peak amplitude (Pa) | 0.48 | 0.12 | 0.13 | |
| Stratospheric wind (HWM14) (m/s) | 25.1 | 18.8 | 14.6 | |
| Stratospheric wind (ECMWF) (m/s) | 42.3 | 26.1 | 17.4 | |
| Yield for AFTAC method (kt TNT) | 0.86 | 0.86 | 1.47 | 1.06 |
| Yield for LANL (+HWM14) method (kt TNT) | 1.05 | 0.22 | 1.35 | 0.86 |
| Yield for LANL (+ECMWF) method (kt TNT) | 0.38 | 0.14 | 1.12 | 0.54 |
The effective wind speeds are averaged along the great-circle propagation paths between source and receivers.