| Author | |
| Date and time | 2012-03-31 17:06:41.2 UTC |
| Latitude | -20.229 |
| Longitude | -175.185 |
| Depth | 60 |
| Magnitude | 5.5 mb |
| Region | TONGA |
| Latest update | 2016-04-19 07:23:30.6 UTC |
| rms | 2.15 s |
| N° phases used for the localisation | 122 |
| N° stations used for the localisation | 122 |
| Gap | 35.0 ° |
| 95% confidence ellipse | |
| semi major | 12.8 |
| semi minor | 7.6 |
| Azimuth | 118 ° |
| Location Type | manual |
Download data for this event
Note: links can take up to 20 minutes from the earthquake to become available
| Operating network | code | Distance° | EvAz | A/M | Phase | Pick time | Residual | T | Reporting network |
|---|---|---|---|---|---|---|---|---|---|
| NIUE | 5.090 | 78 | A | P | 2012-03-31 17:07:56.4 | 1.5 | T | GFZ | |
| AFI | 7.080 | 28 | A | Pn | 2012-03-31 17:08:21.4 | -0.9 | T | NEIR | |
| AFI | 7.080 | 28 | A | P | 2012-03-31 17:08:23.0 | 0.7 | T | GFZ | |
| RAO | 9.320 | 195 | A | Pn | 2012-03-31 17:08:56.1 | 3.3 | T | NEIR | |
| RAO | 9.320 | 195 | A | Sn | 2012-03-31 17:10:35.1 | -1 | T | NEIR | |
| OUZ | 17.910 | 211 | A | P | 2012-03-31 17:10:49.4 | 3.4 | T | NEIR | |
| MXZ | 18.180 | 197 | A | P | 2012-03-31 17:10:50.0 | 1.1 | T | NEIR | |
| URZ | 19.170 | 199 | A | P | 2012-03-31 17:11:00.1 | 0.3 | T | NEIR | |
| HIZ | 20.160 | 203 | A | P | 2012-03-31 17:11:13.6 | 3 | T | NEIR | |
| BKZ | 20.190 | 199 | A | P | 2012-03-31 17:11:10.2 | -0.8 | T | NEIR | |
| BFZ | 21.660 | 198 | A | P | 2012-03-31 17:11:25.4 | -1.4 | T | NEIR | |
| SNZO | 22.710 | 200 | A | P | 2012-03-31 17:11:36.9 | -0.9 | T | GFZ | |
| QRZ | 23.050 | 204 | A | P | 2012-03-31 17:11:44.3 | 2.9 | T | GFZ | |
| THZ | 23.720 | 203 | A | P | 2012-03-31 17:11:47.3 | -0.5 | T | NEIR | |
| THZ | 23.720 | 203 | A | S | 2012-03-31 17:15:58.0 | -0.6 | T | NEIR | |
| KHZ | 24.080 | 201 | A | P | 2012-03-31 17:11:50.7 | -0.3 | T | GFZ | |
| PPTF | 24.370 | 88 | A | P | 2012-03-31 17:11:53.7 | 0 | T | GFZ | |
| LTZ | 24.840 | 202 | A | P | 2012-03-31 17:11:56.6 | -1.4 | T | NEIR | |
| OXZ | 25.400 | 202 | A | P | 2012-03-31 17:12:01.6 | -1.4 | T | NEIR | |
| CRLZ | 25.420 | 201 | A | P | 2012-03-31 17:12:02.9 | -0.3 | T | NEIR | |
| MQZ | 25.530 | 201 | A | P | 2012-03-31 17:12:03.7 | -0.4 | T | NEIR | |
| LHI | 25.690 | 239 | A | P | 2012-03-31 17:12:06.7 | 1.1 | T | NEIR | |
| RPZ | 26.090 | 203 | A | P | 2012-03-31 17:12:09.2 | -0.1 | T | GFZ | |
| FOZ | 26.490 | 205 | A | P | 2012-03-31 17:12:10.1 | -2.7 | T | NEIR | |
| LBZ | 26.990 | 204 | A | P | 2012-03-31 17:12:15.0 | -2.4 | T | NEIR | |
| ODZ | 27.390 | 202 | A | P | 2012-03-31 17:12:19.5 | -1.5 | T | NEIR | |
| WKZ | 27.810 | 205 | A | P | 2012-03-31 17:12:22.5 | -2.3 | T | NEIR | |
| MLZ | 28.580 | 205 | A | P | 2012-03-31 17:12:30.7 | -0.9 | T | NEIR | |
| DCZ | 29.090 | 206 | A | P | 2012-03-31 17:12:34.7 | -1.4 | T | NEIR | |
| WHZ | 29.120 | 205 | A | P | 2012-03-31 17:12:35.4 | -0.9 | T | NEIR | |
| PYZ | 29.850 | 206 | A | P | 2012-03-31 17:12:41.9 | -0.9 | T | NEIR | |
| EIDS | 31.460 | 254 | A | P | 2012-03-31 17:12:57.0 | 0 | T | NEIR | |
| ARMA | 31.560 | 245 | A | P | 2012-03-31 17:12:59.4 | 1.3 | T | GFZ | |
| MGCD | 32.620 | 240 | A | P | 2012-03-31 17:13:07.8 | 0.7 | T | GFZ | |
| CNB | 34.570 | 237 | A | P | 2012-03-31 17:13:25.1 | 0.8 | T | GFZ | |
| CAN | 34.860 | 237 | A | P | 2012-03-31 17:13:27.3 | 0.6 | T | GFZ | |
| YNG | 35.080 | 239 | A | P | 2012-03-31 17:13:29.3 | 0.8 | T | GFZ | |
| CTA | 36.140 | 263 | A | P | 2012-03-31 17:13:39.3 | 1.6 | T | GFZ | |
| CTAO | 36.140 | 263 | A | P | 2012-03-31 17:13:39.4 | 1.7 | T | GFZ | |
| CMSA | 36.780 | 244 | A | P | 2012-03-31 17:13:42.6 | -0.4 | T | GFZ | |
| QLP | 37.660 | 253 | A | P | 2012-03-31 17:13:51.0 | 0.5 | T | GFZ | |
| PMG | 37.870 | 281 | A | P | 2012-03-31 17:13:54.1 | 1.8 | T | GFZ | |
| TOO | 38.200 | 235 | A | P | 2012-03-31 17:13:55.0 | -0.1 | T | GFZ | |
| MTSU | 38.240 | 266 | A | P | 2012-03-31 17:13:55.8 | 0.3 | T | GFZ | |
| TAU | 38.690 | 226 | A | P | 2012-03-31 17:13:59.0 | -0.1 | T | NEIR | |
| COEN | 40.210 | 272 | A | P | 2012-03-31 17:14:13.0 | 1.2 | T | GFZ | |
| STKA | 40.280 | 244 | A | P | 2012-03-31 17:14:11.8 | -0.7 | T | NEIR | |
| MANU | 40.780 | 292 | A | P | 2012-03-31 17:14:17.4 | 0.9 | T | NEIR | |
| BBOO | 45.030 | 244 | A | P | 2012-03-31 17:14:49.2 | -1.7 | T | NEIR | |
| AS01 | 47.110 | 256 | A | P | 2012-03-31 17:15:06.0 | -1.3 | T | NEIR | |
| AS31 | 47.150 | 256 | A | P | 2012-03-31 17:15:06.5 | -1.1 | T | NEIR | |
| WRAB | 47.240 | 261 | M | P | 2012-03-31 17:15:07.4 | -0.9 | T | GSRC | |
| MIDW | 48.200 | 357 | A | P | 2012-03-31 17:15:12.3 | -3.4 | T | NEIR | |
| MTN | 51.800 | 269 | A | P | 2012-03-31 17:15:42.0 | -1 | T | NEIR | |
| FORT | 51.820 | 246 | A | P | 2012-03-31 17:15:41.5 | -1.6 | T | NEIR | |
| SBA | 58.330 | 184 | A | P | 2012-03-31 17:16:31.7 | 1.7 | T | BGSG | |
| CASY | 65.340 | 205 | A | P | 2012-03-31 17:17:15.3 | -1.8 | T | BGSG | |
| QSPA | 69.840 | 180 | A | P | 2012-03-31 17:17:45.5 | -0.4 | T | BGSG | |
| MAJO | 71.590 | 322 | M | P | 2012-03-31 17:17:55.8 | -0.4 | T | GSRC | |
| YSS | 76.870 | 332 | M | P | 2012-03-31 17:18:26.9 | 0.1 | T | GSRC | |
| PFO | 77.440 | 47 | M | P | 2012-03-31 17:18:30.3 | 0.1 | T | GSRC | |
| KDAK | 79.970 | 12 | M | P | 2012-03-31 17:18:42.4 | -1.5 | T | GSRC | |
| KLR | 83.660 | 328 | M | P | 2012-03-31 17:19:03.1 | -0.3 | T | GSRC | |
| MA2 | 84.250 | 343 | M | P | 2012-03-31 17:19:04.2 | -2.2 | T | GSRC | |
| ANMO | 85.190 | 50 | M | P | 2012-03-31 17:19:11.0 | -0.3 | T | GSRC | |
| SEY | 86.740 | 346 | M | P | 2012-03-31 17:19:17.0 | -1.7 | T | GSRC | |
| COLA | 87.400 | 11 | M | P | 2012-03-31 17:19:19.3 | -2.6 | T | GSRC | |
| SNAA | 88.190 | 178 | M | P | 2012-03-31 17:19:23.3 | -2.5 | T | GSRC | |
| EFI | 89.860 | 146 | M | P | 2012-03-31 17:19:31.8 | -1.7 | T | GSRC | |
| HKT | 91.150 | 59 | M | P | 2012-03-31 17:19:38.6 | -0.8 | T | GSRC | |
| YAK | 92.870 | 337 | M | P | 2012-03-31 17:19:44.8 | -2.6 | T | GSRC | |
| JTS | 93.710 | 81 | M | P | 2012-03-31 17:19:50.7 | -0.7 | T | GSRC | |
| TIXI | 99.180 | 345 | M | P | 2012-03-31 17:20:13.8 | -2.3 | T | GSRC | |
| LPAZ | 99.710 | 111 | A | P | 2012-03-31 17:20:20.7 | 1.4 | T | BGSG | |
| KURK | 115.580 | 317 | M | PKIKP | 2012-03-31 17:25:13.6 | -2.9 | T | GSRC | |
| BRVK | 120.620 | 320 | M | PKIKP | 2012-03-31 17:25:23.3 | -2.9 | T | GSRC | |
| ARU | 126.460 | 326 | M | P | 2012-03-31 17:25:34.8 | -2.6 | T | GSRC | |
| OBN | 137.740 | 333 | M | P | 2012-03-31 17:25:57.1 | -1.5 | T | GSRC | |
| VSU | 138.620 | 343 | M | P | 2012-03-31 17:25:58.8 | -1.4 | T | GSRC | |
| GNI | 140.600 | 309 | M | P | 2012-03-31 17:26:01.8 | -2.3 | T | GSRC | |
| KIV | 140.630 | 316 | M | P | 2012-03-31 17:26:02.2 | -1.9 | T | GSRC | |
| NEY | 140.900 | 315 | M | PKIKP | 2012-03-31 17:26:03.8 | -0.8 | T | GSRC | |
| ESK | 144.450 | 8 | M | PKIKP | 2012-03-31 17:26:07.5 | -3.2 | T | GSRC | |
| BURAR | 148.060 | 334 | A | P | 2012-03-31 17:26:20.0 | 3 | T | BUC | |
| TLCR | 148.180 | 327 | A | P | 2012-03-31 17:26:18.9 | 1.9 | T | BUC | |
| TESR | 148.280 | 331 | A | P | 2012-03-31 17:26:18.5 | 1.3 | T | BUC | |
| CLL | 148.320 | 350 | A | P | 2012-03-31 17:26:19.1 | 1.9 | T | GFU | |
| UPC | 148.510 | 346 | A | P | 2012-03-31 17:26:20.0 | 2.4 | T | GFU | |
| CFR | 148.530 | 328 | A | P | 2012-03-31 17:26:19.7 | 2.2 | T | BUC | |
| BRG | 148.580 | 349 | A | P | 2012-03-31 17:26:19.9 | 2.2 | T | GFU | |
| DPC | 148.590 | 346 | A | P | 2012-03-31 17:26:20.4 | 2.7 | T | GFU | |
| VRI | 148.720 | 330 | A | P | 2012-03-31 17:26:20.9 | 3 | T | BUC | |
| PVCC | 148.790 | 348 | A | P | 2012-03-31 17:26:20.8 | 2.8 | T | GFU | |
| MORC | 148.820 | 344 | A | P | 2012-03-31 17:26:20.6 | 2.5 | T | BUC | |
| TLB | 148.990 | 327 | A | P | 2012-03-31 17:26:21.2 | 2.9 | T | BUC | |
| DOPR | 149.260 | 331 | A | P | 2012-03-31 17:26:22.3 | 3.5 | T | BUC | |
| GUNZ | 149.340 | 351 | A | P | 2012-03-31 17:26:22.0 | 3 | T | GFU | |
| WERN | 149.410 | 351 | A | P | 2012-03-31 17:26:22.2 | 3.1 | T | GFU | |
| NKC | 149.450 | 350 | A | P | 2012-03-31 17:26:22.3 | 3.2 | T | GFU | |
| CJR | 149.450 | 334 | A | P | 2012-03-31 17:26:22.4 | 3.3 | T | BUC | |
| VRAC | 149.490 | 345 | A | P | 2012-03-31 17:26:22.3 | 3.1 | T | GFU | |
| MROB | 149.640 | 351 | A | P | 2012-03-31 17:26:22.9 | 3.5 | T | GFU | |
| SECR | 149.650 | 329 | A | P | 2012-03-31 17:26:23.0 | 3.6 | T | BUC | |
| DRGR | 149.740 | 335 | A | P | 2012-03-31 17:26:22.7 | 3.1 | T | BUC | |
| PSZ | 149.800 | 340 | A | P | 2012-03-31 17:26:23.0 | 3.3 | T | BUC | |
| VOIR | 149.820 | 331 | A | P | 2012-03-31 17:26:23.0 | 3.2 | T | BUC | |
| ROTZ | 149.940 | 350 | A | P | 2012-03-31 17:26:23.3 | 3.4 | T | GFU | |
| GRFO | 150.160 | 352 | A | P | 2012-03-31 17:26:24.0 | 3.8 | T | GFU | |
| GIVF | 150.190 | A | P | 2012-03-31 17:26:22.9 | 2.7 | T | LDG | ||
| BAIF | 150.230 | 1 | A | P | 2012-03-31 17:26:23.2 | 2.9 | T | LDG | |
| WET | 150.440 | 349 | A | P | 2012-03-31 17:26:24.3 | 3.6 | T | GFU | |
| BZS | 151.140 | 335 | A | P | 2012-03-31 17:26:25.0 | 3.3 | T | BUC | |
| ROSF | 151.210 | 11 | A | P | 2012-03-31 17:26:24.6 | 2.8 | T | LDG | |
| FLN | 151.220 | 7 | A | P | 2012-03-31 17:26:24.9 | 3.1 | T | LDG | |
| SGMF | 151.410 | 10 | A | P | 2012-03-31 17:26:25.2 | 3.1 | T | LDG | |
| LDF | 151.420 | 7 | A | P | 2012-03-31 17:26:25.3 | 3.2 | T | LDG | |
| GRR | 151.540 | 8 | A | P | 2012-03-31 17:26:25.7 | 3.4 | T | LDG | |
| QUIF | 151.630 | 11 | A | P | 2012-03-31 17:26:25.7 | 3.3 | T | LDG | |
| CDF | 151.810 | 357 | A | P | 2012-03-31 17:26:26.7 | 3.8 | T | LDG | |
| CABF | 153.670 | 358 | A | P | 2012-03-31 17:26:28.6 | 3 | T | LDG | |
| ETSF | 156.950 | 10 | A | P | 2012-03-31 17:26:28.7 | -1.3 | T | LDG | |
| EPF | 156.960 | 8 | A | P | 2012-03-31 17:26:32.1 | 2.1 | T | LDG |