| Author | INFO |
| Date and time | 2023-12-18 16:56:53.1 UTC |
| Latitude | 35.720 |
| Longitude | 102.828 |
| Depth | 10 |
| Magnitude | 4.2 mb |
| Region | GANSU-QINGHAI BORDER REG, CHINA |
| Latest update | 2023-12-19 07:20:05.6 UTC |
| rms | 1.34 s |
| N° phases used for the localisation | 76 |
| N° stations used for the localisation | 63 |
| Gap | 30.3 ° |
| 95% confidence ellipse | |
| semi major | 7.80 |
| semi minor | 6.20 |
| Azimuth | 89 ° |
| Location Type | manual |
Download data for this event
Note: links can take up to 20 minutes from the earthquake to become available
| Network | code | Distance° | EvAz | A/M | Phase | Pick time | Residual | T | Author |
|---|---|---|---|---|---|---|---|---|---|
| IC | ENH | 7.798 | 316 | Pn | 2023-12-18 16:58:46.0 | -0.70 | T | NEIR | |
| IC | ENH | 7.798 | 316 | Pn | 2023-12-18 16:58:46.7 | 0.00 | T | GFZ | |
| IC | LSA | 11.535 | 56 | Pn | 2023-12-18 16:59:40.5 | 2.20 | T | GFZ | |
| IM | SONM | 12.388 | 194 | Pn | 2023-12-18 16:59:49.4 | -0.30 | T | NEIR | |
| IU | ULN | 12.530 | 196 | Pn | 2023-12-18 16:59:49.5 | -2.20 | T | GFZ | |
| IU | ULN | 12.530 | 196 | Pn | 2023-12-18 16:59:50.5 | -1.20 | T | NEIR | |
| IU | ULN | 12.530 | 196 | Pn | 2023-12-18 16:59:50.8 | -0.90 | T | GSRC | |
| IO | EVN | 15.648 | 56 | Pn | 2023-12-18 17:00:31.4 | -2.90 | T | NEIR | |
| II | TLY | 15.959 | 182 | Pn | 2023-12-18 17:00:35.2 | -2.60 | T | NEIR | |
| MM | NGU | 16.042 | 24 | Pn | 2023-12-18 17:00:38.1 | -0.70 | T | NEIR | |
| NK | KKN | 16.873 | 58 | Pn | 2023-12-18 17:00:50.2 | 0.60 | T | NEIR | |
| GE | NPW | 16.946 | 19 | P | 2023-12-18 17:00:52.5 | 0.30 | T | GFZ | |
| IU | CHTO | 17.195 | 11 | Pn | 2023-12-18 17:00:54.2 | 0.70 | T | GFZ | |
| TM | CMMT | 17.195 | 11 | Pn | 2023-12-18 17:00:54.2 | 0.70 | T | GFZ | |
| IM | CM31 | 17.545 | 11 | Pn | 2023-12-18 17:00:57.7 | -0.10 | T | NEIR | |
| IM | CMAR | 17.545 | 11 | Pn | 2023-12-18 17:00:57.7 | -0.10 | T | NEIR | |
| IM | CMAR | 17.545 | 11 | Pn | 2023-12-18 17:00:58.9 | 1.10 | T | GSRC | |
| IM | CM31 | 17.545 | 11 | Pn | 2023-12-18 17:00:58.9 | 1.10 | T | GSRC | |
| QZ | ZSN | 17.781 | 125 | Pn | 2023-12-18 17:01:00.7 | -0.10 | T | NEIR | |
| IR | DGZ | 17.920 | 135 | Pn | 2023-12-18 17:01:01.9 | -0.70 | T | GSRC | |
| KZ | MKAR | 18.930 | 118 | Pn | 2023-12-18 17:01:17.7 | 2.80 | T | GSRC | |
| IM | MKAR | 18.930 | 118 | P | 2023-12-18 17:01:13.9 | -0.20 | T | NEIR | |
| IU | MAKZ | 19.126 | 118 | P | 2023-12-18 17:01:15.4 | -0.90 | T | NEIR | |
| KZ | PDGK | 19.499 | 105 | P | 2023-12-18 17:01:19.4 | -1.10 | T | NEIR | |
| KR | KDJ | 20.897 | 99 | P | 2023-12-18 17:01:35.2 | -0.60 | T | GFZ | |
| KC | ASAI | 21.242 | 96 | P | 2023-12-18 17:01:39.9 | 0.10 | T | GFZ | |
| TM | SRDT | 21.506 | 8 | P | 2023-12-18 17:01:43.3 | 1.20 | T | GFZ | |
| IM | ZALV | 22.128 | 138 | P | 2023-12-18 17:01:47.7 | -1.10 | T | NEIR | |
| IM | ZALV | 22.128 | 138 | P | 2023-12-18 17:01:47.9 | -0.90 | T | GSRC | |
| II | KURK | 22.992 | 121 | P | 2023-12-18 17:01:56.8 | -1.10 | T | NEIR | |
| II | KURK | 22.992 | 121 | P | 2023-12-18 17:01:59.0 | 1.00 | T | GSRC | |
| II | KURK | 22.992 | 121 | P | 2023-12-18 17:01:59.8 | 1.80 | T | GFZ | |
| TM | PRAC | 23.321 | 6 | P | 2023-12-18 17:02:01.1 | -0.20 | T | NEIR | |
| TM | PRAC | 23.321 | 6 | P | 2023-12-18 17:02:01.3 | 0.00 | T | GFZ | |
| KR | ARK | 24.730 | 94 | P | 2023-12-18 17:02:14.9 | 0.10 | T | NEIR | |
| IR | KLR | 25.053 | 248 | P | 2023-12-18 17:02:17.8 | 0.20 | T | GSRC | |
| IM | KKAR | 25.912 | 96 | P | 2023-12-18 17:02:25.6 | 0.20 | T | NEIR | |
| IU | YAK | 31.230 | 225 | P | 2023-12-18 17:03:14.0 | 1.30 | T | GFZ | |
| IU | YAK | 31.230 | 225 | P | 2023-12-18 17:03:14.2 | 1.50 | T | GSRC | |
| JP | JEM | 31.370 | 268 | P | 2023-12-18 17:03:15.6 | 1.60 | T | GFZ | |
| MY | KOM | 33.795 | 359 | P | 2023-12-18 17:03:34.4 | -0.70 | T | NEIR | |
| MY | KOM | 33.795 | 359 | P | 2023-12-18 17:03:34.6 | -0.60 | T | GFZ | |
| IM | ABK31 | 33.910 | 97 | P | 2023-12-18 17:03:35.3 | -1.00 | T | NEIR | |
| IM | ABKAR | 33.910 | 97 | P | 2023-12-18 17:03:35.0 | -1.30 | T | NEIR | |
| IM | NRIK | 34.681 | 158 | P | 2023-12-18 17:03:42.8 | 0.00 | T | NEIR | |
| IM | NRIK | 34.681 | 158 | P | 2023-12-18 17:03:43.6 | 0.70 | T | GSRC | |
| IU | MA2 | 38.913 | 254 | P | 2023-12-18 17:04:20.8 | 1.80 | T | GFZ | |
| A2 | ZRSH | 45.910 | 76 | P | 2023-12-18 17:05:16.7 | 0.40 | T | NEIR | |
| TU | HAKT | 46.778 | 73 | P | 2023-12-18 17:05:22.0 | -1.20 | T | GFZ | |
| IU | BILL | 47.535 | 261 | P | 2023-12-18 17:05:29.7 | 1.00 | T | GFZ | |
| IM | ARCES | 52.572 | 87 | P | 2023-12-18 17:06:08.5 | 1.60 | T | NEIR | |
| HE | HEF | 53.317 | 85 | P | 2023-12-18 17:06:14.1 | 1.70 | T | GFZ | |
| IM | BRTR | 53.614 | 71 | P | 2023-12-18 17:06:13.3 | -1.60 | T | NEIR | |
| IM | BRTR | 53.614 | 71 | P | 2023-12-18 17:06:13.8 | -1.10 | T | GSRC | |
| TU | KKUL | 54.327 | 70 | P | 2023-12-18 17:06:22.0 | 2.00 | T | GFZ | |
| RO | CFR | 55.718 | 72 | P | 2023-12-18 17:06:32.7 | 2.80 | T | GFZ | |
| AK | E19K | 61.098 | 294 | P | 2023-12-18 17:07:05.5 | -2.00 | T | NEIR | |
| CZ | UPC | 61.516 | 67 | P | 2023-12-18 17:07:13.0 | 2.60 | T | GFZ | |
| CZ | VRAC | 61.632 | 67 | P | 2023-12-18 17:07:09.4 | -1.80 | T | GFZ | |
| CZ | KRUC | 61.848 | 67 | P | 2023-12-18 17:07:13.7 | 1.00 | T | GFZ | |
| AK | C23K | 62.223 | 298 | P | 2023-12-18 17:07:14.4 | -0.60 | T | NEIR | |
| MN | PDG | 62.695 | 65 | P | 2023-12-18 17:07:19.8 | 1.50 | T | GFZ | |
| IM | WRA | 62.820 | 331 | P | 2023-12-18 17:07:18.1 | -0.70 | T | GSRC | |
| SX | TANN | 63.628 | 65 | P | 2023-12-18 17:07:23.0 | -1.60 | T | GFZ | |
| GR | WET | 63.920 | 65 | P | 2023-12-18 17:07:27.0 | 0.50 | T | GFZ | |
| GR | LUEB | 64.935 | 63 | P | 2023-12-18 17:07:31.8 | -1.30 | T | GFZ | |
| GE | MARCO | 65.965 | 63 | P | 2023-12-18 17:07:38.5 | -1.40 | T | GFZ | |
| IM | ASAR | 66.054 | 333 | P | 2023-12-18 17:07:38.7 | -1.20 | T | NEIR | |
| II | KDAK | 67.529 | 302 | P | 2023-12-18 17:07:49.8 | 0.10 | T | GFZ | |
| AK | SCRK | 67.559 | 306 | P | 2023-12-18 17:07:48.2 | -1.80 | T | NEIR | |
| CN | INK | 68.069 | 313 | P | 2023-12-18 17:07:51.2 | -1.80 | T | NEIR | |
| AK | KLU | 68.293 | 305 | P | 2023-12-18 17:07:53.6 | -1.10 | T | NEIR | |
| FR | SAOF | 69.572 | 60 | P | 2023-12-18 17:08:00.8 | -1.80 | T | GFZ | |
| II | FFC | 87.292 | 340 | P | 2023-12-18 17:09:41.5 | 1.00 | T | GFZ | |
| BL | SJMB | 144.098 | 54 | PKPab | 2023-12-18 17:16:25.1 | -1.70 | T | NEIR | |
| II | HOPE | 146.388 | 107 | PKPdf | 2023-12-18 17:16:32.2 | -0.10 | T | NEIR |