| Author | INFO |
| Date and time | 2025-10-22 03:51:25.8 UTC |
| Latitude | -31.683 |
| Longitude | -66.470 |
| Depth | 128 |
| Magnitude | 4.4 mb |
| Region | LA RIOJA, ARGENTINA |
| Latest update | 2025-10-23 06:31:39.8 UTC |
| rms | 1.64 s |
| N° phases used for the localisation | 95 |
| N° stations used for the localisation | 64 |
| Gap | 37.5 ° |
| 95% confidence ellipse | |
| semi major | 6.1 |
| semi minor | 4.9 |
| Azimuth | 174 ° |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| RI | LPCA | 1.342 | 114 | Pn | 2025-10-22 03:51:54.0 | 2 | T | NEIR0000 | |
| RI | LPCA | 1.342 | 114 | Sn | 2025-10-22 03:52:13.8 | 1.7 | T | NEIR0001 | |
| GE | TCA | 1.638 | 78 | Pn | 2025-10-22 03:51:57.2 | 1.7 | T | GFZ0002 | |
| GE | TCA | 1.638 | 78 | Sn | 2025-10-22 03:52:19.6 | 1.5 | T | GFZ0003 | |
| WA | ZON | 1.894 | 274 | Pn | 2025-10-22 03:51:59.1 | 0.7 | T | NEIR0004 | |
| WA | ZON | 1.894 | 274 | Sn | 2025-10-22 03:52:23.5 | 0.1 | T | NEIR0005 | |
| C1 | MT08 | 3.538 | 240 | Pn | 2025-10-22 03:52:19.3 | -0.3 | T | NEIR0006 | |
| C1 | CO01 | 3.551 | 298 | Pn | 2025-10-22 03:52:21.2 | 1.4 | T | NEIR0009 | |
| C1 | CO01 | 3.551 | 298 | Pn | 2025-10-22 03:52:21.6 | 1.8 | T | GFZ0007 | |
| C1 | CO01 | 3.551 | 298 | Sn | 2025-10-22 03:53:02.0 | 0.4 | T | GFZ0008 | |
| C1 | VA03 | 3.623 | 252 | Pn | 2025-10-22 03:52:21.2 | 0.6 | T | NEIR0010 | |
| C1 | VA03 | 3.623 | 252 | Pn | 2025-10-22 03:52:22.1 | 1.5 | T | GFZ0011 | |
| C1 | VA03 | 3.623 | 252 | Sn | 2025-10-22 03:53:05.5 | 2.5 | T | GFZ0012 | |
| C | FAR1 | 3.632 | 242 | Pn | 2025-10-22 03:52:23.1 | 2.1 | T | GFZ0013 | |
| C | FAR1 | 3.632 | 242 | Sn | 2025-10-22 03:53:06.2 | 2.6 | T | GFZ0014 | |
| C1 | CO03 | 3.710 | 282 | Pn | 2025-10-22 03:52:22.9 | 1.1 | T | NEIR0017 | |
| C1 | CO03 | 3.710 | 282 | Pn | 2025-10-22 03:52:23.1 | 1.4 | T | GFZ0015 | |
| C1 | CO03 | 3.710 | 282 | Sn | 2025-10-22 03:53:05.2 | 0.2 | T | GFZ0016 | |
| C1 | MT13 | 3.817 | 236 | Pn | 2025-10-22 03:52:24.2 | 1.1 | T | NEIR0018 | |
| C | LMEL | 3.818 | 235 | Pn | 2025-10-22 03:52:24.5 | 1.2 | T | GFZ0024 | |
| C1 | MT16 | 3.840 | 242 | Pn | 2025-10-22 03:52:23.7 | 0.3 | T | NEIR0019 | |
| G | PEL | 3.844 | 247 | Pn | 2025-10-22 03:52:24.1 | 0.7 | T | NEIR0020 | |
| G | PEL | 3.844 | 247 | Pn | 2025-10-22 03:52:24.4 | 0.9 | T | GFZ0025 | |
| G | PEL | 3.844 | 247 | Sn | 2025-10-22 03:53:09.3 | 1.2 | T | GFZ0026 | |
| C1 | CO04 | 3.850 | 263 | Pn | 2025-10-22 03:52:23.3 | -0.5 | T | NEIR0022 | |
| C1 | CO04 | 3.850 | 263 | Pn | 2025-10-22 03:52:23.9 | 0.1 | T | GFZ0023 | |
| C1 | MT03 | 3.859 | 241 | Pn | 2025-10-22 03:52:24.2 | 0.4 | T | NEIR0021 | |
| C1 | CO02 | 3.901 | 276 | Pn | 2025-10-22 03:52:24.7 | 0.4 | T | NEIR0027 | |
| C1 | CO02 | 3.901 | 276 | Pn | 2025-10-22 03:52:25.1 | 0.7 | T | GFZ0028 | |
| C1 | CO02 | 3.901 | 276 | Sn | 2025-10-22 03:53:09.8 | 0.2 | T | GFZ0029 | |
| C1 | MT05 | 3.987 | 244 | Pn | 2025-10-22 03:52:26.3 | 0.9 | T | NEIR0030 | |
| C | GO04 | 4.013 | 291 | Pn | 2025-10-22 03:52:26.7 | 0.8 | T | GFZ0031 | |
| C1 | MT09 | 4.343 | 240 | Pn | 2025-10-22 03:52:29.9 | -0.3 | T | NEIR0032 | |
| C1 | AC05 | 4.346 | 310 | Pn | 2025-10-22 03:52:32.0 | 1.7 | T | GFZ0033 | |
| C1 | CO05 | 4.464 | 292 | Pn | 2025-10-22 03:52:31.7 | 0 | T | NEIR0034 | |
| IU | LCO | 4.525 | 305 | Pn | 2025-10-22 03:52:33.0 | 0.2 | T | NEIR0039 | |
| IU | LCO | 4.525 | 305 | Pn | 2025-10-22 03:52:33.4 | 0.7 | T | GFZ0035 | |
| C1 | CO06 | 4.540 | 281 | Pn | 2025-10-22 03:52:31.5 | -1.2 | T | NEIR0038 | |
| C1 | VA01 | 4.573 | 252 | Pn | 2025-10-22 03:52:32.7 | -0.4 | T | NEIR0037 | |
| C1 | VA01 | 4.573 | 252 | Pn | 2025-10-22 03:52:33.8 | 0.7 | T | GFZ0040 | |
| C1 | MT01 | 4.577 | 240 | Pn | 2025-10-22 03:52:31.8 | -1.4 | T | NEIR0036 | |
| C1 | BO01 | 4.725 | 234 | Pn | 2025-10-22 03:52:34.7 | -0.4 | T | NEIR0041 | |
| C1 | BO02 | 4.761 | 228 | Pn | 2025-10-22 03:52:35.7 | -0 | T | NEIR0042 | |
| C1 | BO02 | 4.761 | 228 | Pn | 2025-10-22 03:52:36.4 | 0.7 | T | GFZ0044 | |
| C1 | VA05 | 4.764 | 244 | Pn | 2025-10-22 03:52:34.5 | -1.2 | T | NEIR0043 | |
| C1 | AC04 | 5.290 | 310 | Pn | 2025-10-22 03:52:41.6 | -1.1 | T | NEIR0045 | |
| C1 | AC06 | 5.482 | 321 | Pn | 2025-10-22 03:52:45.0 | -0.4 | T | NEIR0046 | |
| C1 | ML02 | 5.792 | 224 | Pn | 2025-10-22 03:52:48.7 | -0.7 | T | NEIR0047 | |
| C1 | AC07 | 5.938 | 319 | Pn | 2025-10-22 03:52:50.7 | -0.7 | T | NEIR0048 | |
| C1 | AC01 | 6.597 | 326 | Pn | 2025-10-22 03:52:59.8 | -0.6 | T | NEIR0050 | |
| C1 | AC01 | 6.597 | 326 | Pn | 2025-10-22 03:53:00.1 | -0.3 | T | GFZ0049 | |
| C | GO02 | 7.055 | 336 | Pn | 2025-10-22 03:53:07.3 | 0.4 | T | GFZ0051 | |
| C | GO02 | 7.055 | 336 | Pn | 2025-10-22 03:53:07.3 | 0.4 | T | NEIR0052 | |
| IU | TRQA | 7.351 | 151 | Pn | 2025-10-22 03:53:11.0 | 0.5 | T | GFZ0054 | |
| GE | SALTA | 7.435 | 1 | Pn | 2025-10-22 03:53:14.1 | 2 | T | GFZ0053 | |
| CX | PB19 | 8.144 | 341 | Pn | 2025-10-22 03:53:21.2 | -0.3 | T | GFZ0055 | |
| BL | ITQB | 8.715 | 79 | Pn | 2025-10-22 03:53:27.9 | -1 | T | NEIR0056 | |
| C | GO06 | 8.870 | 206 | Pn | 2025-10-22 03:53:29.9 | -1.2 | T | GFZ0058 | |
| C | GO06 | 8.870 | 206 | Pn | 2025-10-22 03:53:29.9 | -1.2 | T | NEIR0057 | |
| C1 | LR03 | 9.258 | 209 | Pn | 2025-10-22 03:53:32.3 | -3.8 | T | NEIR0059 | |
| CX | PB06 | 9.361 | 342 | Pn | 2025-10-22 03:53:35.8 | -2 | T | GFZ0060 | |
| CX | PB06 | 9.361 | 342 | Pn | 2025-10-22 03:53:36.0 | -1.7 | T | NEIR0061 | |
| GT | PLCA | 9.612 | 199 | Pn | 2025-10-22 03:53:39.8 | -1.2 | T | NEIR0062 | |
| GT | PLCA | 9.612 | 199 | Pn | 2025-10-22 03:53:43.6 | 2.6 | T | GFZ0065 | |
| GT | CPUP | 9.617 | 59 | Pn | 2025-10-22 03:53:39.0 | -2 | T | NEIR0064 | |
| C1 | LR05 | 9.633 | 206 | Pn | 2025-10-22 03:53:39.2 | -1.9 | T | NEIR0063 | |
| C1 | LR04 | 9.937 | 213 | Pn | 2025-10-22 03:53:39.9 | -5.3 | NEIR0066 | ||
| CX | PB03 | 10.036 | 342 | Pn | 2025-10-22 03:53:44.3 | -2.5 | T | NEIR0069 | |
| CX | PB03 | 10.036 | 342 | Pn | 2025-10-22 03:53:44.5 | -2.3 | T | GFZ0067 | |
| CX | PB09 | 10.158 | 345 | Pn | 2025-10-22 03:53:47.0 | -1.4 | T | NEIR0070 | |
| CX | PB09 | 10.158 | 345 | Pn | 2025-10-22 03:53:47.0 | -1.4 | T | GFZ0068 | |
| CX | PB02 | 10.771 | 343 | Pn | 2025-10-22 03:53:53.2 | -3.4 | T | NEIR0072 | |
| CX | PB02 | 10.771 | 343 | Pn | 2025-10-22 03:53:53.5 | -3.1 | T | GFZ0071 | |
| CX | PB01 | 10.940 | 345 | Pn | 2025-10-22 03:53:55.9 | -2.9 | T | NEIR0073 | |
| CX | PATCX | 11.315 | 342 | Pn | 2025-10-22 03:54:00.5 | -3.3 | T | NEIR0074 | |
| CX | PB08 | 11.750 | 348 | Pn | 2025-10-22 03:54:07.5 | -2.3 | T | NEIR0075 | |
| BV | SOEV | 13.239 | 10 | Pn | 2025-10-22 03:54:28.6 | -0.4 | T | NEIR0077 | |
| BL | ITAB | 13.259 | 74 | Pn | 2025-10-22 03:54:26.5 | -2.6 | T | NEIR0076 | |
| CX | PB18 | 14.302 | 348 | Pn | 2025-10-22 03:54:42.3 | -0.6 | T | NEIR0078 | |
| BL | PTGB | 14.510 | 65 | Pn | 2025-10-22 03:54:45.9 | 0.7 | T | NEIR0080 | |
| G | COYC | 14.537 | 196 | P | 2025-10-22 03:54:46.9 | -1.4 | T | NEIR0079 | |
| G | COYC | 14.537 | 196 | P | 2025-10-22 03:54:48.5 | 0.2 | T | GFZ0081 | |
| GT | LPAZ | 15.409 | 354 | Pn | 2025-10-22 03:54:56.2 | -0.7 | T | NEIR0083 | |
| GT | LPAZ | 15.409 | 354 | Pn | 2025-10-22 03:54:57.2 | 0.3 | T | GFZ0082 | |
| G | MATO | 17.819 | 27 | P | 2025-10-22 03:55:23.5 | -1.1 | T | NEIR0085 | |
| G | MATO | 17.819 | 27 | P | 2025-10-22 03:55:24.6 | -0 | T | GFZ0084 | |
| II | EFI | 20.905 | 165 | P | 2025-10-22 03:55:56.2 | -1.7 | T | NEIR0086 | |
| II | EFI | 20.905 | 165 | P | 2025-10-22 03:55:57.7 | -0.2 | T | GFZ0087 | |
| C1 | MG04 | 21.474 | 188 | P | 2025-10-22 03:56:00.9 | -3.1 | T | NEIR0088 | |
| C1 | MG04 | 21.474 | 188 | P | 2025-10-22 03:56:08.5 | 4.5 | T | GFZ0089 | |
| C1 | MG03 | 22.330 | 186 | P | 2025-10-22 03:56:09.9 | -3 | T | NEIR0090 | |
| IU | SAML | 22.842 | 8 | P | 2025-10-22 03:56:17.4 | -0.5 | T | GFZ0091 | |
| CU | GTBY | 52.026 | 350 | P | 2025-10-22 04:00:23.8 | 1.9 | T | GFZ0092 | |
| IU | DWPF | 61.197 | 345 | P | 2025-10-22 04:01:26.7 | 0.2 | T | GFZ0093 | |
| US | KVTX | 66.131 | 330 | P | 2025-10-22 04:02:01.3 | 2.3 | T | GFZ0094 | |
| IU | HKT | 67.409 | 333 | P | 2025-10-22 04:02:10.8 | 3.9 | T | GFZ0095 |