| Author | |
| Date and time | 2018-01-04 10:39:36.9 UTC |
| Latitude | 37.860 |
| Longitude | -122.240 |
| Depth | 13 |
| Magnitude | 4.4 Mw |
| Region | SAN FRANCISCO BAY AREA, CALIF. |
| Latest update | 2018-01-04 10:43:47.0 UTC |
| rms | 1.14 s |
| N° phases used for the localisation | 156 |
| N° stations used for the localisation | 156 |
| Gap | 34.0 ° |
| 95% confidence ellipse | |
| semi major | 9999.9 |
| semi minor | 9999.9 |
| Azimuth | -99 ° |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| CMSB | 0.020 | 322 | A | P | 2018-01-04 10:39:39.9 | 0.5 | T | NC | |
| VAK | 0.020 | 338 | A | P | 2018-01-04 10:39:40.0 | 0.5 | T | NC | |
| BL67 | 0.020 | 323 | A | P | 2018-01-04 10:39:40.0 | 0.5 | T | NC | |
| BKS | 0.020 | 12 | A | P | 2018-01-04 10:39:40.1 | 0.7 | T | NC | |
| CVPM | 0.030 | 31 | A | P | 2018-01-04 10:39:40.3 | 0.7 | T | NC | |
| CMCM | 0.090 | 147 | A | P | 2018-01-04 10:39:40.6 | 0.1 | T | NC | |
| CYBM | 0.110 | 243 | A | P | 2018-01-04 10:39:40.8 | 0.1 | T | NC | |
| CPIM | 0.130 | 9 | A | P | 2018-01-04 10:39:41.7 | 0.6 | T | NC | |
| HERB | 0.150 | 353 | A | P | 2018-01-04 10:39:41.8 | 0.5 | T | NC | |
| BGC | 0.150 | 107 | A | P | 2018-01-04 10:39:41.8 | 0.4 | T | NC | |
| CPMM | 0.160 | 304 | A | P | 2018-01-04 10:39:41.5 | 0 | T | NC | |
| CSLM | 0.170 | 145 | A | P | 2018-01-04 10:39:41.7 | 0.1 | T | NC | |
| MHDL | 0.200 | 265 | A | P | 2018-01-04 10:39:42.2 | 0.2 | T | NC | |
| JPRM | 0.200 | 251 | A | P | 2018-01-04 10:39:42.3 | 0.3 | T | NC | |
| SBRN | 0.220 | 218 | A | P | 2018-01-04 10:39:42.4 | 0.1 | T | NC | |
| JSBM | 0.220 | 215 | A | P | 2018-01-04 10:39:42.5 | 0.2 | T | NC | |
| CTAM | 0.240 | 47 | A | P | 2018-01-04 10:39:44.0 | 1.3 | T | NC | |
| CRPB | 0.270 | 79 | A | P | 2018-01-04 10:39:43.6 | 0.5 | T | NC | |
| SVIN | 0.280 | 308 | A | P | 2018-01-04 10:39:43.7 | 0.5 | T | NC | |
| SAC | 0.310 | 207 | A | P | 2018-01-04 10:39:44.2 | 0.6 | T | NC | |
| CNIC | 0.330 | 139 | A | P | 2018-01-04 10:39:44.8 | 0.8 | T | NC | |
| CMOB | 0.350 | 98 | A | P | 2018-01-04 10:39:45.6 | 1.3 | T | NC | |
| OXMT | 0.390 | 202 | A | P | 2018-01-04 10:39:45.3 | 0.6 | T | NC | |
| WENL | 0.450 | 122 | A | P | 2018-01-04 10:39:47.3 | 1.4 | T | NC | |
| JRSC | 0.460 | 180 | A | P | 2018-01-04 10:39:46.8 | 0.9 | T | NC | |
| JSFB | 0.460 | 174 | A | P | 2018-01-04 10:39:47.1 | 1.1 | T | NC | |
| NBRB | 0.470 | 329 | A | P | 2018-01-04 10:39:47.0 | 0.8 | T | NC | |
| JFP | 0.500 | 175 | A | P | 2018-01-04 10:39:47.7 | 0.9 | T | NC | |
| CVS | 0.510 | 341 | A | P | 2018-01-04 10:39:47.5 | 0.4 | T | NC | |
| CVR | 0.540 | 139 | A | P | 2018-01-04 10:39:48.3 | 0.8 | T | NC | |
| SJH | 0.540 | 167 | A | P | 2018-01-04 10:39:48.7 | 1.2 | T | NC | |
| MCCM | 0.580 | 300 | A | P | 2018-01-04 10:39:48.7 | 0.4 | T | NC | |
| FARB | 0.620 | 255 | A | P | 2018-01-04 10:39:49.7 | 0.6 | T | NC | |
| JJOM | 0.690 | 162 | A | P | 2018-01-04 10:39:50.9 | 0.6 | T | NC | |
| MHC | 0.700 | 137 | A | P | 2018-01-04 10:39:51.3 | 0.5 | T | NC | |
| CMMM | 0.720 | 124 | A | P | 2018-01-04 10:39:51.5 | 0.5 | T | NC | |
| CCOB | 0.750 | 143 | A | P | 2018-01-04 10:39:52.6 | 1.1 | T | NC | |
| ARN | 0.760 | 132 | A | P | 2018-01-04 10:39:52.0 | 0.3 | T | NC | |
| MTOS | 0.810 | 116 | A | P | 2018-01-04 10:39:52.5 | -0.1 | T | NC | |
| NBPM | 0.810 | 3 | A | P | 2018-01-04 10:39:53.5 | 1 | T | NC | |
| CMPM | 0.890 | 124 | A | P | 2018-01-04 10:39:54.1 | 0 | T | NC | |
| JBZM | 0.920 | 157 | A | P | 2018-01-04 10:39:54.4 | 0 | T | NC | |
| NDHM | 0.940 | 16 | A | P | 2018-01-04 10:39:55.5 | 0.6 | T | NC | |
| HLPM | 0.950 | 149 | A | P | 2018-01-04 10:39:54.7 | -0.3 | T | NC | |
| NMTM | 0.960 | 350 | A | P | 2018-01-04 10:39:54.9 | -0.3 | T | NC | |
| PFR | 0.980 | 336 | A | P | 2018-01-04 10:39:52.5 | -3.1 | T | NC | |
| GCRM | 0.990 | 338 | A | P | 2018-01-04 10:39:55.1 | -0.7 | T | NC | |
| JELB | 0.990 | 160 | A | P | 2018-01-04 10:39:55.2 | -0.5 | T | NC | |
| GBGM | 1.010 | 340 | A | P | 2018-01-04 10:39:55.9 | -0.4 | T | NC | |
| MNRC | 1.030 | 351 | A | P | 2018-01-04 10:39:56.2 | -0.3 | T | NC | |
| CDC | 1.030 | 144 | A | P | 2018-01-04 10:39:56.4 | 0 | T | NC | |
| GDXM | 1.040 | 335 | A | P | 2018-01-04 10:39:55.9 | -0.9 | T | NC | |
| HCOM | 1.060 | 156 | A | P | 2018-01-04 10:39:56.0 | -0.9 | T | NC | |
| GHCM | 1.060 | 315 | A | P | 2018-01-04 10:39:56.2 | -0.8 | T | NC | |
| GSGM | 1.070 | 340 | A | P | 2018-01-04 10:39:54.0 | -3.3 | T | NC | |
| ANZ | 1.100 | 152 | A | P | 2018-01-04 10:39:56.6 | -1.1 | T | NC | |
| SFL | 1.100 | 142 | A | P | 2018-01-04 10:39:57.2 | -0.5 | T | NC | |
| GRTM | 1.130 | 343 | A | P | 2018-01-04 10:39:57.3 | -0.9 | T | NC | |
| SLD | 1.130 | 134 | A | P | 2018-01-04 10:39:57.9 | -0.3 | T | NC | |
| HTUM | 1.140 | 155 | A | P | 2018-01-04 10:39:56.9 | -1.4 | T | NC | |
| HERM | 1.140 | 158 | A | P | 2018-01-04 10:39:57.3 | -1 | T | NC | |
| PACP | 1.140 | 138 | A | P | 2018-01-04 10:39:58.1 | -0.4 | T | NC | |
| HBTM | 1.150 | 151 | A | P | 2018-01-04 10:39:57.5 | -1 | T | NC | |
| HJGM | 1.190 | 153 | A | P | 2018-01-04 10:39:57.0 | -2.1 | T | NC | |
| SAO | 1.260 | 150 | A | P | 2018-01-04 10:39:58.0 | -2.3 | T | NC | |
| FRP | 1.260 | 151 | A | P | 2018-01-04 10:39:58.6 | -1.7 | T | NC | |
| BSLM | 1.290 | 147 | A | P | 2018-01-04 10:40:00.2 | -0.5 | T | NC | |
| HOPS | 1.310 | 330 | A | P | 2018-01-04 10:39:59.8 | -1.1 | T | NC | |
| BSRM | 1.320 | 154 | A | P | 2018-01-04 10:39:59.5 | -1.6 | T | NC | |
| GHLM | 1.330 | 333 | A | P | 2018-01-04 10:40:00.1 | -1.2 | T | NC | |
| BPCNC | 1.370 | 159 | A | P | 2018-01-04 10:40:00.6 | -1.2 | T | NC | |
| SUTB | 1.410 | 15 | A | P | 2018-01-04 10:40:00.2 | -2.1 | T | NC | |
| SCZ | 1.430 | 152 | A | P | 2018-01-04 10:40:00.9 | -1.6 | T | NC | |
| OSUM | 1.440 | 12 | A | P | 2018-01-04 10:40:00.9 | -1.8 | T | NC | |
| JHC | 1.470 | 152 | A | P | 2018-01-04 10:40:01.8 | -1.4 | T | NC | |
| ADC | 1.470 | 42 | A | P | 2018-01-04 10:40:02.3 | -0.9 | T | NC | |
| CMB | 1.480 | 83 | A | P | 2018-01-04 10:40:03.0 | -0.3 | T | NC | |
| BVL | 1.530 | 147 | A | P | 2018-01-04 10:40:03.1 | -0.9 | T | NC | |
| BAVM | 1.550 | 141 | A | P | 2018-01-04 10:40:03.3 | -1 | T | NC | |
| HAST | 1.570 | 159 | A | P | 2018-01-04 10:40:03.0 | -1.5 | T | NC | |
| OHCM | 1.590 | 22 | A | P | 2018-01-04 10:40:02.9 | -1.8 | T | NC | |
| OSTM | 1.590 | 18 | A | P | 2018-01-04 10:40:03.0 | -1.7 | T | NC | |
| BBGB | 1.600 | 143 | A | P | 2018-01-04 10:40:04.2 | -0.8 | T | NC | |
| BPIM | 1.610 | 148 | A | P | 2018-01-04 10:40:03.7 | -1.4 | T | NC | |
| BSMM | 1.610 | 156 | A | P | 2018-01-04 10:40:03.8 | -1.4 | T | NC | |
| SHG | 1.640 | 151 | A | P | 2018-01-04 10:40:04.2 | -1.3 | T | NC | |
| SBT | 1.640 | 145 | A | P | 2018-01-04 10:40:05.2 | -0.3 | T | NC | |
| BPOM | 1.670 | 167 | A | P | 2018-01-04 10:40:04.1 | -1.8 | T | NC | |
| PAM | 1.680 | 19 | A | P | 2018-01-04 10:40:05.1 | -0.9 | T | NC | |
| OWYM | 1.700 | 20 | A | P | 2018-01-04 10:40:04.5 | -1.7 | T | NC | |
| LRV | 1.730 | 145 | A | P | 2018-01-04 10:40:06.5 | -0.3 | T | NC | |
| ORV | 1.790 | 19 | A | P | 2018-01-04 10:40:06.1 | -1.4 | T | NC | |
| OGOM | 1.860 | 15 | A | P | 2018-01-04 10:40:07.3 | -1.1 | T | NC | |
| HULI | 2.000 | 156 | A | P | 2018-01-04 10:40:09.5 | -1 | T | NC | |
| PMPB | 2.000 | 145 | A | P | 2018-01-04 10:40:10.5 | -0.1 | T | NC | |
| EMB | 2.010 | 56 | A | P | 2018-01-04 10:40:11.7 | 0.8 | T | NC | |
| DONR | 2.120 | 45 | A | P | 2018-01-04 10:40:12.0 | -0.3 | T | NC | |
| PDRM | 2.130 | 135 | A | P | 2018-01-04 10:40:12.1 | -0.2 | T | NC | |
| PTV | 2.130 | 145 | A | P | 2018-01-04 10:40:12.5 | 0.3 | T | NC | |
| PSMM | 2.220 | 143 | A | P | 2018-01-04 10:40:13.5 | -0.1 | T | NC | |
| PHSB | 2.240 | 155 | A | P | 2018-01-04 10:40:12.8 | -1 | T | NC | |
| PHPM | 2.290 | 145 | A | P | 2018-01-04 10:40:13.8 | -0.6 | T | NC | |
| WAKR | 2.300 | 73 | A | P | 2018-01-04 10:40:16.9 | 2.1 | T | NC | |
| SMNB | 2.310 | 144 | A | P | 2018-01-04 10:40:13.9 | -0.7 | T | NC | |
| PHCM | 2.340 | 158 | A | P | 2018-01-04 10:40:13.0 | -2.2 | T | NC | |
| PANM | 2.340 | 152 | A | P | 2018-01-04 10:40:14.2 | -0.9 | T | NC | |
| MMNB | 2.360 | 143 | A | P | 2018-01-04 10:40:15.3 | -0.1 | T | NC | |
| PPO | 2.380 | 146 | A | P | 2018-01-04 10:40:16.3 | 0.7 | T | NC | |
| KCC | 2.380 | 102 | A | P | 2018-01-04 10:40:16.5 | 0.7 | T | NC | |
| LOY | 2.380 | 40 | A | P | 2018-01-04 10:40:16.9 | 1.3 | T | NC | |
| PNTR | 2.410 | 59 | A | P | 2018-01-04 10:40:18.1 | 1.8 | T | NC | |
| WKR | 2.470 | 145 | A | P | 2018-01-04 10:40:16.7 | -0.2 | T | NC | |
| RAMR | 2.480 | 153 | A | P | 2018-01-04 10:40:16.0 | -1 | T | NC | |
| PKEM | 2.480 | 136 | A | P | 2018-01-04 10:40:17.6 | 0.6 | T | NC | |
| BEKR | 2.480 | 36 | A | P | 2018-01-04 10:40:18.3 | 1 | T | NC | |
| PHAM | 2.500 | 143 | A | P | 2018-01-04 10:40:17.2 | -0.2 | T | NC | |
| MDPB | 2.520 | 94 | A | P | 2018-01-04 10:40:19.2 | 1.3 | T | NC | |
| GHIB | 2.530 | 143 | A | P | 2018-01-04 10:40:17.6 | -0.1 | T | NC | |
| MINS | 2.530 | 94 | A | P | 2018-01-04 10:40:19.4 | 1.3 | T | NC | |
| MRDM | 2.540 | 95 | A | P | 2018-01-04 10:40:19.4 | 1.2 | T | NC | |
| MMPM | 2.560 | 95 | A | P | 2018-01-04 10:40:19.9 | 1.4 | T | NC | |
| MLIM | 2.560 | 94 | A | P | 2018-01-04 10:40:20.4 | 1.8 | T | NC | |
| MDYM | 2.570 | 94 | A | P | 2018-01-04 10:40:20.3 | 1.7 | T | NC | |
| PKLM | 2.580 | 143 | A | P | 2018-01-04 10:40:18.4 | 0 | T | NC | |
| OMMB | 2.580 | 95 | A | P | 2018-01-04 10:40:20.2 | 1.4 | T | NC | |
| LDBM | 2.590 | 8 | A | P | 2018-01-04 10:40:19.2 | 0.5 | T | NC | |
| MMLB | 2.590 | 93 | A | P | 2018-01-04 10:40:20.8 | 1.8 | T | NC | |
| MEMM | 2.620 | 93 | A | P | 2018-01-04 10:40:21.2 | 2.3 | T | NC | |
| MLCM | 2.650 | 94 | A | P | 2018-01-04 10:40:21.4 | 1.7 | T | NC | |
| TRAM | 2.690 | 143 | A | P | 2018-01-04 10:40:19.8 | -0.2 | T | NC | |
| BMRR | 2.710 | 34 | A | P | 2018-01-04 10:40:21.7 | 1.2 | T | NC | |
| MLAC | 2.710 | 94 | A | P | 2018-01-04 10:40:22.5 | 2 | T | NC | |
| LMEM | 2.720 | 11 | A | P | 2018-01-04 10:40:21.9 | 1.3 | T | NC | |
| MLHM | 2.720 | 93 | A | P | 2018-01-04 10:40:23.0 | 2.4 | T | NC | |
| VOG | 2.750 | 123 | A | P | 2018-01-04 10:40:20.6 | -0.1 | T | NC | |
| TSCN | 2.770 | 146 | A | P | 2018-01-04 10:40:20.8 | -0.2 | T | NC | |
| PBPM | 2.860 | 142 | A | P | 2018-01-04 10:40:22.7 | 0.4 | T | NC | |
| BENR | 2.910 | 92 | A | P | 2018-01-04 10:40:24.7 | 1.4 | T | NC | |
| LHV | 2.970 | 81 | A | P | 2018-01-04 10:40:25.5 | 1.4 | T | NC | |
| HATC | 3.010 | 11 | A | P | 2018-01-04 10:40:25.9 | 1.4 | T | NC | |
| BHPR | 3.030 | 100 | A | P | 2018-01-04 10:40:26.6 | 1.7 | T | NC | |
| LBCM | 3.050 | 13 | A | P | 2018-01-04 10:40:26.5 | 1.4 | T | NC | |
| LGPM | 3.080 | 352 | A | P | 2018-01-04 10:40:22.4 | -3.1 | T | NC | |
| CARC | 3.190 | 142 | A | P | 2018-01-04 10:40:26.8 | -0.1 | T | NC | |
| LBKM | 3.240 | 354 | A | P | 2018-01-04 10:40:27.1 | -0.5 | T | NC | |
| CRGC | 3.310 | 142 | A | P | 2018-01-04 10:40:28.0 | -0.5 | T | NC | |
| FIGC | 3.620 | 149 | A | P | 2018-01-04 10:40:32.3 | -0.5 | T | NC | |
| ISA | 3.740 | 125 | A | P | 2018-01-04 10:40:34.8 | 0.4 | T | NC | |
| LGMM | 3.750 | 5 | A | P | 2018-01-04 10:40:36.5 | 1.8 | T | NC | |
| ARVC | 3.870 | 134 | A | P | 2018-01-04 10:40:36.5 | 0.3 | T | NC | |
| TEJ | 3.880 | 132 | A | P | 2018-01-04 10:40:36.4 | 0.1 | T | NC | |
| KSXB | 4.160 | 343 | A | P | 2018-01-04 10:40:42.5 | 2.2 | T | NC | |
| CCCA | 4.560 | 119 | A | P | 2018-01-04 10:40:46.4 | 0.7 | T | NC | |
| GSC | 5.060 | 119 | A | P | 2018-01-04 10:40:53.2 | 0.5 | T | NC | |
| RRX | 5.170 | 124 | A | P | 2018-01-04 10:40:54.9 | 0.9 | T | NC | |
| BELC | 6.360 | 125 | A | P | 2018-01-04 10:41:10.6 | 0.1 | T | NC |