Earthquake parameters in region Tonga Islands, date 2025-03-30 21:51:41, lat -20.37, lon -173.82, depth 10 km, mb: 5.3/9 detemined with station data:
| N | Code | Time | Phase | Delta |
Azimuth | Residual | Ms | mb |
Network |
| 1 | PMG |
21:59:08.5 | P | 39.16 | 280 | -0.2 |
- | 5.4 | PMG |
| 2 | STKA |
21:59:26.8 | P | 41.38 | 245 | -0.3 |
- | 4.8 | AUST |
| 3 | ANMO |
22:04:12.0 | P | 84.30 | 50 | -1.1 |
- | 5.6 | ALQ |
| 4 | KLR |
22:04:14.5 | P | 84.48 | 328 | 0.5 |
- | 5.0 | OBGSR |
| 5 | MA2 |
22:04:15.2 | P | 84.76 | 343 | -0.2 |
- | 5.4 | NEGSR |
| 6 | SEY |
22:04:27.6 | P | 87.20 | 345 | 0.2 |
- | 5.5 | NEGSR |
| 7 | COLA |
22:04:29.0 | P | 87.30 | 11 | 1.1 |
- | 5.8 | NEIC |
| 8 | BILL |
22:04:39.0 | P | 89.36 | 353 | 1.3 |
- | 5.1 | NEGSR |
| 9 | ZEA |
22:04:39.6 | P | 89.46 | 329 | 1.4 |
- | 5.3 | SAGSR |
| 10 | TUP |
22:04:57.3 | P | 93.43 | 328 | 0.8 |
- | - | BAGSR |
| 11 | ULN |
22:05:17.3 | P | 97.86 | 318 | 0.7 |
- | - | OBM |
| 12 | TIXI |
22:05:24.1 | P | 99.66 | 344 | -0.5 |
- | - | YAGSR |
| 13 | MK31 |
22:10:20.6 | PKIKP | 113.97 | 313 | 0.6 |
- | - | NNC |
| 14 | KURK |
22:10:25.4 | PKIKP | 116.56 | 317 | 0.3 |
- | - | NNC |
| 15 | AAK |
22:10:32.1 | PKIKP | 119.30 | 308 | 1.7 |
- | - | KYRG |
|