| Author | |
| Date and time | 2017-10-31 13:52:20.8 UTC |
| Latitude | 34.883 |
| Longitude | 103.342 |
| Depth | 10 |
| Magnitude | 4.8 mb |
| Region | GANSU, CHINA |
| Latest update | 2017-10-31 14:28:25.1 UTC |
| rms | 0.87 s |
| N° phases used for the localisation | 131 |
| N° stations used for the localisation | 131 |
| Gap | 59.0 ° |
| 95% confidence ellipse | |
| semi major | 4.1 |
| semi minor | 3.4 |
| Azimuth | 72 ° |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| SONM | 13.140 | 9 | M | Pn | 2017-10-31 13:55:27.1 | -0.5 | T | NEIR | |
| ULN | 13.260 | 11 | A | P | 2017-10-31 13:55:30.3 | 0.9 | T | GFZ | |
| SHL | 13.570 | 230 | A | P | 2017-10-31 13:55:30.4 | -3.1 | T | GFZ | |
| CRAI | 14.840 | 191 | M | Pn | 2017-10-31 13:55:49.2 | -1.4 | T | NEIR | |
| NPW | 16.350 | 205 | A | P | 2017-10-31 13:56:13.8 | 0.6 | T | GFZ | |
| CHTO | 16.480 | 195 | M | Pn | 2017-10-31 13:56:11.1 | -0.9 | T | NEIR | |
| CHTO | 16.480 | 195 | A | P | 2017-10-31 13:56:14.7 | 0 | T | GFZ | |
| CMMT | 16.480 | 195 | A | P | 2017-10-31 13:56:14.7 | 0 | T | GFZ | |
| CMAR | 16.830 | 195 | M | P | 2017-10-31 13:56:16.5 | -2 | T | GSRC | |
| CMAR | 16.830 | 195 | M | Pn | 2017-10-31 13:56:16.7 | 0.3 | T | NEIR | |
| YHNB | 18.650 | 118 | M | P | 2017-10-31 13:56:40.6 | 1.9 | T | NEIR | |
| DGZ | 18.850 | 327 | M | P | 2017-10-31 13:56:42.5 | 1.3 | T | GSRC | |
| TWG | 19.610 | 123 | M | P | 2017-10-31 13:56:50.8 | 1.7 | T | NEIR | |
| MK31 | 19.810 | 313 | M | P | 2017-10-31 13:56:51.2 | -0.3 | T | NEIR | |
| MKAR | 19.810 | 313 | A | P | 2017-10-31 13:56:52.7 | 1.2 | T | GFZ | |
| WUS | 19.980 | 296 | A | P | 2017-10-31 13:56:54.5 | 0.9 | T | GFZ | |
| MAKZ | 20.000 | 313 | M | P | 2017-10-31 13:56:53.0 | -0.6 | T | NEIR | |
| SRDT | 20.810 | 192 | A | P | 2017-10-31 13:57:03.5 | 1.4 | T | GFZ | |
| PRZ | 20.850 | 299 | A | P | 2017-10-31 13:57:05.3 | 2.4 | T | GFZ | |
| MDJ | 22.310 | 56 | M | P | 2017-10-31 13:57:19.1 | 0.6 | T | NEIR | |
| NRN | 22.410 | 295 | M | P | 2017-10-31 13:57:20.4 | 0.4 | T | NEIR | |
| BOOM | 22.630 | 298 | M | P | 2017-10-31 13:57:22.1 | 0 | T | NEIR | |
| ZALV | 23.060 | 331 | M | P | 2017-10-31 13:57:25.2 | -1.3 | T | NEIR | |
| AAK | 23.710 | 298 | M | P | 2017-10-31 13:57:33.8 | 0.6 | T | NEIR | |
| ARLS | 23.720 | 296 | A | P | 2017-10-31 13:57:34.0 | 0.7 | T | GFZ | |
| USA0B | 23.860 | 58 | M | P | 2017-10-31 13:57:35.3 | 0.9 | T | NEIR | |
| USRK | 23.870 | 58 | M | P | 2017-10-31 13:57:35.4 | 0.9 | T | NEIR | |
| KURK | 23.900 | 319 | M | P | 2017-10-31 13:57:34.3 | -0.4 | T | NEIR | |
| ARSB | 24.660 | 294 | M | P | 2017-10-31 13:57:41.5 | -0.3 | T | NEIR | |
| NIL | 24.860 | 276 | M | P | 2017-10-31 13:57:43.0 | -0.5 | T | NEIR | |
| ZEA | 25.240 | 34 | M | P | 2017-10-31 13:57:49.9 | 2.9 | T | GSRC | |
| KLR | 25.310 | 47 | M | P | 2017-10-31 13:57:47.9 | 0.3 | T | GSRC | |
| ARK | 25.460 | 295 | A | P | 2017-10-31 13:57:50.7 | 1.6 | T | GFZ | |
| TRKS | 26.050 | 294 | A | P | 2017-10-31 13:57:55.2 | 0.6 | T | GFZ | |
| BTK | 26.230 | 291 | M | P | 2017-10-31 13:57:56.2 | 0.1 | T | NEIR | |
| KK31 | 26.670 | 298 | M | P | 2017-10-31 13:58:00.0 | 0.1 | T | NEIR | |
| KKAR | 26.670 | 298 | M | P | 2017-10-31 13:58:00.0 | 0.1 | T | NEIR | |
| BRVK | 29.550 | 318 | M | P | 2017-10-31 13:58:24.6 | -1.1 | T | GSRC | |
| ABKAR | 34.750 | 308 | M | P | 2017-10-31 13:59:11.4 | 0.1 | T | NEIR | |
| GEYT | 36.250 | 288 | M | P | 2017-10-31 13:59:24.5 | 0.3 | T | NEIR | |
| GYA0B | 36.250 | 288 | M | P | 2017-10-31 13:59:24.6 | 0.4 | T | NEIR | |
| ARU | 37.080 | 320 | M | P | 2017-10-31 13:59:31.3 | 0 | T | NEIR | |
| MRSI | 38.410 | 149 | A | P | 2017-10-31 13:59:43.3 | 1.2 | T | GFZ | |
| GTOI | 38.730 | 147 | A | P | 2017-10-31 13:59:44.5 | -0.3 | T | GFZ | |
| TTSI | 40.810 | 154 | A | P | 2017-10-31 14:00:01.9 | -0.2 | T | GFZ | |
| PMSI | 40.930 | 156 | M | P | 2017-10-31 14:00:04.8 | 1.7 | T | GFZ | |
| KIRV | 42.360 | 321 | M | P | 2017-10-31 14:00:15.4 | 0.1 | T | GSRC | |
| KAPI | 42.620 | 155 | A | P | 2017-10-31 14:00:16.1 | -0.8 | T | GFZ | |
| BELG | 42.780 | 312 | M | P | 2017-10-31 14:00:18.5 | -0.2 | T | GSRC | |
| UGM | 43.140 | 170 | M | P | 2017-10-31 14:00:21.2 | 0.1 | T | NEIR | |
| GNI | 46.050 | 295 | M | P | 2017-10-31 14:00:43.0 | -1.9 | T | GSRC | |
| OBN | 49.250 | 316 | M | P | 2017-10-31 14:01:09.8 | 0 | T | GSRC | |
| KEV | 52.980 | 335 | M | P | 2017-10-31 14:01:37.7 | -0.2 | T | NEIR | |
| ARCES | 53.510 | 335 | A | P | 2017-10-31 14:01:41.2 | -0.7 | T | NEWS | |
| FINES | 54.050 | 325 | A | P | 2017-10-31 14:01:45.5 | -0.3 | T | NEWS | |
| VSU | 54.190 | 321 | M | P | 2017-10-31 14:01:47.9 | 1.2 | T | GSRC | |
| AKBB | 54.340 | 311 | M | P | 2017-10-31 14:01:47.7 | -0.1 | T | GSRC | |
| BRTR | 54.370 | 297 | M | P | 2017-10-31 14:01:48.4 | 0.4 | T | GSRC | |
| PSA00 | 58.340 | 162 | M | P | 2017-10-31 14:02:16.8 | 1.1 | T | NEIR | |
| HFA0 | 60.250 | 325 | A | P | 2017-10-31 14:02:29.4 | -0.2 | T | NEWS | |
| NC405 | 60.840 | 326 | M | P | 2017-10-31 14:02:32.9 | -0.8 | T | NEIR | |
| NB201 | 61.050 | 326 | M | P | 2017-10-31 14:02:34.3 | -0.9 | T | NEIR | |
| NB2 | 61.090 | 326 | A | P | 2017-10-31 14:02:34.0 | -1.5 | T | NEWS | |
| NC204 | 61.210 | 327 | M | P | 2017-10-31 14:02:35.5 | -0.8 | T | NEIR | |
| VYHS | 61.440 | 311 | A | P | 2017-10-31 14:02:38.5 | 0.8 | T | GFZ | |
| COEN | 61.600 | 135 | M | P | 2017-10-31 14:02:38.5 | 0.4 | T | NEIR | |
| MORC | 61.760 | 313 | M | P | 2017-10-31 14:02:39.4 | -0.5 | T | NEIR | |
| WRAB | 62.020 | 147 | A | P | 2017-10-31 14:02:39.6 | -1.3 | T | GFZ | |
| WB2 | 62.030 | 147 | M | P | 2017-10-31 14:02:39.8 | -1.2 | T | NEIR | |
| WRA | 62.020 | 147 | M | P | 2017-10-31 14:02:39.8 | -1.1 | T | NEIR | |
| MORH | 62.420 | 309 | A | P | 2017-10-31 14:02:44.3 | 0.1 | T | GFZ | |
| MPLH | 62.750 | 310 | A | P | 2017-10-31 14:02:47.3 | 0.9 | T | GFZ | |
| C23K | 62.840 | 22 | M | P | 2017-10-31 14:02:47.5 | 0.2 | T | NEIR | |
| F21K | 63.090 | 25 | M | P | 2017-10-31 14:02:48.7 | -0.3 | T | NEIR | |
| E22K | 63.240 | 24 | M | P | 2017-10-31 14:02:49.9 | -0.1 | T | NEIR | |
| G21K | 63.400 | 26 | M | P | 2017-10-31 14:02:50.6 | -0.4 | T | NEIR | |
| IMAR | 63.550 | 26 | M | P | 2017-10-31 14:02:51.3 | -0.7 | T | NEIR | |
| TOLK | 63.740 | 23 | M | P | 2017-10-31 14:02:53.3 | 0 | T | NEIR | |
| TTA | 64.030 | 30 | M | P | 2017-10-31 14:02:55.1 | -0.1 | T | NEIR | |
| H21K | 64.040 | 27 | M | P | 2017-10-31 14:02:55.1 | -0.2 | T | NEIR | |
| J20K | 64.220 | 28 | M | P | 2017-10-31 14:02:56.6 | 0.3 | T | NEIR | |
| E24K | 64.370 | 23 | M | P | 2017-10-31 14:02:57.9 | 0.4 | T | NEIR | |
| O16K | 64.600 | 34 | M | P | 2017-10-31 14:02:58.8 | 0 | T | NEIR | |
| L19K | 64.850 | 30 | M | P | 2017-10-31 14:03:00.8 | 0.3 | T | NEIR | |
| F24K | 64.840 | 24 | M | P | 2017-10-31 14:03:00.9 | 0.3 | T | NEIR | |
| QIS | 65.070 | 142 | A | P | 2017-10-31 14:02:59.8 | -1.3 | T | GFZ | |
| AS31 | 65.110 | 149 | M | P | 2017-10-31 14:02:59.9 | -1.4 | T | NEIR | |
| ASAR | 65.110 | 149 | M | P | 2017-10-31 14:02:59.9 | -1.4 | T | NEIR | |
| SVW2 | 65.040 | 32 | M | P | 2017-10-31 14:03:01.6 | -0.1 | T | NEIR | |
| N18K | 65.100 | 32 | M | P | 2017-10-31 14:03:01.8 | -0.3 | T | NEIR | |
| MLY | 65.100 | 27 | M | P | 2017-10-31 14:03:02.3 | 0.1 | T | NEIR | |
| H23K | 65.140 | 26 | M | P | 2017-10-31 14:03:02.8 | 0.3 | T | NEIR | |
| M19K | 65.170 | 31 | M | P | 2017-10-31 14:03:03.1 | 0.5 | T | NEIR | |
| CAST | 65.380 | 29 | M | P | 2017-10-31 14:03:03.8 | -0.2 | T | NEIR | |
| MTSU | 65.590 | 137 | A | P | 2017-10-31 14:03:04.4 | -0.1 | T | GFZ | |
| BPAW | 65.470 | 28 | M | P | 2017-10-31 14:03:04.7 | 0.1 | T | NEIR | |
| I23K | 65.550 | 26 | M | P | 2017-10-31 14:03:05.2 | 0.2 | T | NEIR | |
| N19K | 65.640 | 32 | M | P | 2017-10-31 14:03:06.2 | 0.4 | T | NEIR | |
| M20K | 65.700 | 30 | M | P | 2017-10-31 14:03:06.4 | 0.3 | T | NEIR | |
| KTH | 65.770 | 28 | M | P | 2017-10-31 14:03:06.6 | 0 | T | NEIR | |
| O18K | 65.780 | 33 | M | P | 2017-10-31 14:03:06.9 | 0.4 | T | NEIR | |
| NEA2 | 65.940 | 27 | M | P | 2017-10-31 14:03:07.0 | -0.6 | T | NEIR | |
| BMAR | 65.970 | 23 | M | P | 2017-10-31 14:03:08.3 | 0.4 | T | NEIR | |
| MDM | 66.060 | 26 | M | P | 2017-10-31 14:03:08.2 | -0.2 | T | NEIR | |
| COLA | 66.240 | 26 | M | P | 2017-10-31 14:03:09.3 | -0.2 | T | GFZ | |
| SKT | 66.310 | 30 | M | P | 2017-10-31 14:03:09.4 | -0.6 | T | NEIR | |
| E27K | 66.470 | 22 | M | P | 2017-10-31 14:03:11.1 | 0 | T | NEIR | |
| RND | 66.640 | 28 | M | P | 2017-10-31 14:03:11.6 | -0.6 | T | NEIR | |
| SUA | 66.900 | 30 | M | P | 2017-10-31 14:03:13.1 | -0.7 | T | NEIR | |
| PMR | 67.490 | 30 | M | P | 2017-10-31 14:03:16.8 | -0.6 | T | NEIR | |
| RC01 | 67.510 | 30 | M | P | 2017-10-31 14:03:17.5 | -0.1 | T | NEIR | |
| SML | 67.700 | 29 | M | P | 2017-10-31 14:03:18.3 | -0.5 | T | NEIR | |
| J26L | 67.980 | 25 | M | P | 2017-10-31 14:03:19.8 | -0.9 | T | NEIR | |
| SCM | 68.080 | 29 | M | P | 2017-10-31 14:03:21.5 | 0.2 | T | NEIR | |
| A36M | 68.070 | 15 | M | P | 2017-10-31 14:03:21.8 | 0.6 | T | NEIR | |
| SCRK | 68.130 | 26 | M | P | 2017-10-31 14:03:20.3 | -1.4 | T | NEIR | |
| M24K | 68.380 | 28 | M | P | 2017-10-31 14:03:23.6 | 0.4 | T | NEIR | |
| NWAO | 68.760 | 168 | M | P | 2017-10-31 14:03:26.0 | 1.4 | T | NEIR | |
| INK | 68.720 | 19 | M | P | 2017-10-31 14:03:24.9 | -0.3 | T | NEIR | |
| KLU | 68.830 | 29 | M | P | 2017-10-31 14:03:25.6 | -0.4 | T | NEIR | |
| G30M | 68.830 | 21 | M | P | 2017-10-31 14:03:25.6 | -0.4 | T | NEIR | |
| L27K | 69.450 | 26 | M | P | 2017-10-31 14:03:29.1 | -0.7 | T | NEIR | |
| BCAR | 69.470 | 26 | M | P | 2017-10-31 14:03:29.9 | 0 | T | NEIR | |
| GLB | 69.680 | 28 | M | P | 2017-10-31 14:03:31.4 | 0.2 | T | NEIR | |
| C36M | 70.330 | 16 | M | P | 2017-10-31 14:03:34.5 | -0.7 | T | NEIR | |
| CTGM | 70.920 | 28 | M | P | 2017-10-31 14:03:39.2 | 0.2 | T | NEIR | |
| N31M | 72.630 | 26 | M | P | 2017-10-31 14:03:49.7 | 0.6 | T | NEIR | |
| BBOO | 74.070 | 152 | M | P | 2017-10-31 14:03:57.8 | 1.2 | T | NEIR | |
| STKA | 75.580 | 147 | M | P | 2017-10-31 14:04:06.5 | 1.1 | T | NEIR | |
| SFJD | 76.400 | 350 | M | P | 2017-10-31 14:04:10.5 | -0.5 | T | NEIR | |
| VNA2 | 129.290 | 203 | A | PKPdf | 2017-10-31 14:11:29.4 | 0 | T | GFZ |