| Author | INFO |
| Date and time | 2025-04-04 13:12:02.4 UTC |
| Latitude | 24.100 |
| Longitude | 121.530 |
| Depth | 20.7 |
| Magnitude | 4.0 Mw |
| Region | TAIWAN |
| Latest update | 2025-04-05 08:31:10.4 UTC |
| rms | 1.55 s |
| N° phases used for the localisation | 126 |
| N° stations used for the localisation | 73 |
| Gap | 39.5 ° |
| 95% confidence ellipse | |
| semi major | -- |
| semi minor | -- |
| Azimuth | -- ° |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| IR | TWD | 0.064 | 108 | Pb | 2025-04-04 13:12:07.8 | 1.5 | T | CWB0000 | |
| TW | NACB | 0.095 | 39 | Pb | 2025-04-04 13:12:07.6 | 1.1 | T | NEIR0001 | |
| TW | NACB | 0.095 | 39 | Sb | 2025-04-04 13:12:10.6 | 1.4 | T | NEIR0002 | |
| IR | ETL | 0.103 | 55 | Pb | 2025-04-04 13:12:07.9 | -1.2 | T | CWB0003 | |
| IR | ETLH | 0.115 | 338 | Pb | 2025-04-04 13:12:08.3 | -0.6 | T | CWB0004 | |
| IR | ETM | 0.138 | 194 | Pb | 2025-04-04 13:12:08.2 | -0.3 | T | CWB0005 | |
| IR | HWA | 0.140 | 151 | Pb | 2025-04-04 13:12:08.7 | 0.2 | T | CWB0006 | |
| IR | ESL | 0.298 | 197 | Pb | 2025-04-04 13:12:09.9 | 0.8 | T | CWB0007 | |
| IR | ESL | 0.298 | 197 | Pb | 2025-04-04 13:12:09.9 | 0.8 | T | CWB0007 | |
| IR | ESL | 0.298 | 197 | Sb | 2025-04-04 13:12:14.9 | 1.2 | T | CWB0008 | |
| IR | ESL | 0.298 | 197 | Sb | 2025-04-04 13:12:14.9 | 1.2 | T | CWB0008 | |
| IR | FUSS | 0.300 | 299 | Pb | 2025-04-04 13:12:11.1 | 1.7 | T | CWB0009 | |
| IR | FUSS | 0.300 | 299 | Pn | 2025-04-04 13:12:11.2 | -0.7 | T | CWB0009 | |
| IR | OWD | 0.355 | 246 | Pb | 2025-04-04 13:12:11.7 | 1.7 | T | CWB0010 | |
| IR | OWD | 0.355 | 246 | Pb | 2025-04-04 13:12:11.7 | 1.7 | T | CWB0010 | |
| IR | OWD | 0.355 | 246 | Sb | 2025-04-04 13:12:16.9 | 1.7 | T | CWB0011 | |
| IR | OWD | 0.355 | 246 | Sb | 2025-04-04 13:12:16.9 | 1.7 | T | CWB0011 | |
| IR | TWT | 0.358 | 295 | Pb | 2025-04-04 13:12:12.2 | 2.1 | T | CWB0012 | |
| IR | TWT | 0.358 | 295 | Pb | 2025-04-04 13:12:12.2 | 2.1 | T | CWB0012 | |
| IR | TWT | 0.358 | 295 | Sb | 2025-04-04 13:12:17.8 | 2.4 | T | CWB0013 | |
| IR | TWT | 0.358 | 295 | Sn | 2025-04-04 13:12:17.9 | -1.3 | T | CWB0013 | |
| IR | NNS | 0.368 | 337 | Pb | 2025-04-04 13:12:11.9 | 1.7 | T | CWB0014 | |
| IR | NNS | 0.368 | 337 | Pb | 2025-04-04 13:12:11.9 | 1.7 | T | CWB0014 | |
| IR | NNS | 0.368 | 337 | Sb | 2025-04-04 13:12:17.6 | 2 | T | CWB0015 | |
| IR | NNS | 0.368 | 337 | Sn | 2025-04-04 13:12:17.7 | -1.7 | T | CWB0015 | |
| IR | EGFH | 0.440 | 192 | Pb | 2025-04-04 13:12:12.1 | 0.7 | T | CWB0016 | |
| IR | EGFH | 0.440 | 192 | Pn | 2025-04-04 13:12:12.2 | -1.4 | T | CWB0016 | |
| IR | EGFH | 0.440 | 192 | Sb | 2025-04-04 13:12:18.7 | 1.2 | T | CWB0017 | |
| IR | EGFH | 0.440 | 192 | Sb | 2025-04-04 13:12:18.7 | 1.2 | T | CWB0017 | |
| IR | NDT | 0.501 | 358 | Pb | 2025-04-04 13:12:14.2 | 1.7 | T | CWB0018 | |
| IR | NDT | 0.501 | 358 | Pb | 2025-04-04 13:12:14.2 | 1.7 | T | CWB0018 | |
| IR | NDT | 0.501 | 358 | Sb | 2025-04-04 13:12:21.0 | 1.6 | T | CWB0019 | |
| IR | NDT | 0.501 | 358 | Sb | 2025-04-04 13:12:21.0 | 1.6 | T | CWB0019 | |
| IR | NDS | 0.558 | 18 | Pb | 2025-04-04 13:12:15.2 | 1.6 | T | CWB0020 | |
| IR | NDS | 0.558 | 18 | Pb | 2025-04-04 13:12:15.2 | 1.6 | T | CWB0020 | |
| IR | NDS | 0.558 | 18 | Sb | 2025-04-04 13:12:22.8 | 1.6 | T | CWB0021 | |
| IR | NDS | 0.558 | 18 | Sn | 2025-04-04 13:12:22.9 | -1 | T | CWB0021 | |
| TW | YHNB | 0.584 | 346 | Pb | 2025-04-04 13:12:15.3 | 1.2 | T | NEIR0026 | |
| TW | YHNB | 0.584 | 346 | Sb | 2025-04-04 13:12:23.5 | 1.4 | T | NEIR0027 | |
| IR | TWC | 0.585 | 30 | Pb | 2025-04-04 13:12:15.4 | 1.4 | T | CWB0022 | |
| IR | TWC | 0.585 | 30 | Pb | 2025-04-04 13:12:15.4 | 1.4 | T | CWB0022 | |
| IR | TWC | 0.585 | 30 | Sb | 2025-04-04 13:12:23.5 | 1.6 | T | CWB0023 | |
| IR | TWC | 0.585 | 30 | Sb | 2025-04-04 13:12:23.5 | 1.6 | T | CWB0023 | |
| IR | NSK | 0.595 | 345 | Pb | 2025-04-04 13:12:15.7 | 1.4 | T | CWB0024 | |
| IR | NSK | 0.595 | 345 | Pb | 2025-04-04 13:12:15.7 | 1.4 | T | CWB0024 | |
| IR | NSK | 0.595 | 345 | Sb | 2025-04-04 13:12:23.8 | 1.4 | T | CWB0025 | |
| IR | NSK | 0.595 | 345 | Sn | 2025-04-04 13:12:23.9 | -1 | T | CWB0025 | |
| IR | TWE | 0.631 | 11 | Pb | 2025-04-04 13:12:16.2 | 1.4 | T | CWB0028 | |
| IR | TWE | 0.631 | 11 | Pb | 2025-04-04 13:12:16.2 | 1.4 | T | CWB0028 | |
| IR | TWE | 0.631 | 11 | Sb | 2025-04-04 13:12:25.0 | 1.7 | T | CWB0029 | |
| IR | TWE | 0.631 | 11 | Sb | 2025-04-04 13:12:25.0 | 1.7 | T | CWB0029 | |
| TW | YULB | 0.737 | 197 | Pb | 2025-04-04 13:12:17.3 | 0.7 | T | NEIR0030 | |
| IR | KSHI | 0.747 | 334 | Pn | 2025-04-04 13:12:19.4 | 1.6 | T | CWB0031 | |
| IR | KSHI | 0.747 | 334 | Pn | 2025-04-04 13:12:19.4 | 1.6 | T | CWB0031 | |
| IR | KSHI | 0.747 | 334 | Sn | 2025-04-04 13:12:30.4 | 1.9 | T | CWB0032 | |
| IR | KSHI | 0.747 | 334 | Sn | 2025-04-04 13:12:30.4 | 1.9 | T | CWB0032 | |
| IR | NHDH | 0.860 | 360 | Pn | 2025-04-04 13:12:21.7 | 2.4 | T | CWB0033 | |
| IR | NHDH | 0.860 | 360 | Pn | 2025-04-04 13:12:21.7 | 2.4 | T | CWB0033 | |
| IR | NHDH | 0.860 | 360 | Sn | 2025-04-04 13:12:32.3 | 1 | T | CWB0034 | |
| IR | NHDH | 0.860 | 360 | Sb | 2025-04-04 13:12:32.4 | 2.7 | T | CWB0034 | |
| IU | TATO | 0.871 | 358 | Pb | 2025-04-04 13:12:20.4 | 1.6 | T | NEIR0035 | |
| TW | TATO | 0.872 | 357 | Pb | 2025-04-04 13:12:20.3 | 1.4 | T | GSRC0036 | |
| TW | TATO | 0.872 | 357 | Pn | 2025-04-04 13:12:20.4 | 0.9 | T | GSRC0036 | |
| IR | NTY | 0.921 | 347 | Pn | 2025-04-04 13:12:22.6 | 2.4 | T | CWB0037 | |
| IR | NTY | 0.921 | 347 | Pb | 2025-04-04 13:12:22.7 | 3 | T | CWB0037 | |
| TW | NXZ | 0.981 | 6 | Pn | 2025-04-04 13:12:23.6 | 2.6 | T | CWB0038 | |
| TW | NXZ | 0.981 | 6 | Pb | 2025-04-04 13:12:23.7 | 3 | T | CWB0038 | |
| TW | TPUB | 1.147 | 226 | Pb | 2025-04-04 13:12:25.1 | 1.5 | T | NEIR0039 | |
| TW | TWGB | 1.342 | 198 | Pn | 2025-04-04 13:12:24.5 | -1.5 | T | NEIR0040 | |
| JP | YOJ | 1.401 | 75 | Pn | 2025-04-04 13:12:27.0 | 0.2 | T | NEIR0041 | |
| PS | ISG | 2.486 | 83 | Pn | 2025-04-04 13:12:42.1 | 0.4 | T | NEIR0042 | |
| TW | KMNB | 2.892 | 278 | Pn | 2025-04-04 13:12:48.5 | 1.3 | T | NEIR0043 | |
| JP | JOW | 6.678 | 64 | Pn | 2025-04-04 13:13:39.2 | -0.2 | T | GSRC0044 | |
| JP | JOW | 6.678 | 64 | Pb | 2025-04-04 13:13:39.3 | -18.5 | GSRC0044 | ||
| IU | CHTO | 21.673 | 260 | P | 2025-04-04 13:16:52.7 | 0.9 | T | GSRC0045 | |
| IU | CHTO | 21.673 | 260 | P | 2025-04-04 13:16:52.7 | 0.9 | T | GSRC0045 | |
| IM | CM31 | 21.786 | 259 | P | 2025-04-04 13:16:51.9 | -1.1 | T | GSRC0046 | |
| IM | CM31 | 21.786 | 259 | pP | 2025-04-04 13:16:52.0 | -7.4 | GSRC0046 | ||
| IU | ULN | 26.360 | 338 | P | 2025-04-04 13:17:37.1 | -0.2 | T | GSRC0047 | |
| IU | ULN | 26.360 | 338 | pP | 2025-04-04 13:17:37.2 | -7 | GSRC0047 | ||
| IM | MK31 | 38.615 | 316 | P | 2025-04-04 13:19:25.3 | 1.1 | T | GSRC0049 | |
| IM | MK31 | 38.615 | 316 | pP | 2025-04-04 13:19:25.4 | -5.9 | T | GSRC0049 | |
| KZ | MKAR | 38.615 | 316 | P | 2025-04-04 13:19:25.8 | 1.6 | T | GSRC0050 | |
| KZ | MKAR | 38.615 | 316 | pP | 2025-04-04 13:19:25.9 | -5.4 | T | GSRC0050 | |
| IM | MKAR | 38.615 | 316 | P | 2025-04-04 13:19:25.3 | 1.2 | T | NEIR0048 | |
| IU | MAKZ | 38.820 | 316 | P | 2025-04-04 13:19:27.1 | 1.2 | T | NEIR0051 | |
| KZ | PDGK | 39.389 | 310 | P | 2025-04-04 13:19:32.1 | 1.3 | T | NEIR0052 | |
| KR | PRZ | 39.957 | 308 | P | 2025-04-04 13:19:36.0 | 0.3 | T | NEIR0053 | |
| IM | ZAA0B | 40.476 | 327 | P | 2025-04-04 13:19:39.0 | -0.5 | T | NEIR0054 | |
| IM | ZALV | 40.476 | 327 | P | 2025-04-04 13:19:38.9 | -0.7 | T | NEIR0055 | |
| IM | ZALV | 40.476 | 327 | P | 2025-04-04 13:19:39.9 | 0.3 | T | GSRC0056 | |
| IM | ZALV | 40.476 | 327 | pP | 2025-04-04 13:19:40.0 | -6.7 | GSRC0056 | ||
| KR | JNKS | 41.707 | 305 | P | 2025-04-04 13:19:50.2 | 0.1 | T | NEIR0057 | |
| II | KURK | 42.350 | 320 | P | 2025-04-04 13:19:55.1 | 0.1 | T | NEIR0058 | |
| II | KURK | 42.350 | 320 | P | 2025-04-04 13:19:57.2 | 2.2 | T | GSRC0059 | |
| II | KURK | 42.350 | 320 | P | 2025-04-04 13:19:57.2 | 2.2 | T | GSRC0059 | |
| AU | COEN | 43.379 | 149 | P | 2025-04-04 13:20:03.1 | -0.2 | T | NEIR0060 | |
| IM | WRA | 45.564 | 163 | P | 2025-04-04 13:20:19.3 | -0.2 | T | GSRC0061 | |
| IM | WRA | 45.564 | 163 | pP | 2025-04-04 13:20:19.4 | -7 | GSRC0061 | ||
| IM | KKAR | 45.772 | 307 | P | 2025-04-04 13:20:22.6 | 0 | T | NEIR0062 | |
| IU | TIXI | 47.712 | 3 | P | 2025-04-04 13:20:36.8 | -0.7 | T | GSRC0063 | |
| IU | TIXI | 47.712 | 3 | pP | 2025-04-04 13:20:36.9 | -7.7 | GSRC0063 | ||
| IM | ASAR | 49.023 | 165 | P | 2025-04-04 13:20:47.8 | 0.1 | T | GSRC0064 | |
| IM | ASAR | 49.023 | 165 | P | 2025-04-04 13:20:47.8 | 0.2 | T | NEIR0065 | |
| IM | ASAR | 49.023 | 165 | pP | 2025-04-04 13:20:47.9 | -6.7 | GSRC0064 | ||
| IU | BILL | 51.692 | 20 | P | 2025-04-04 13:21:06.1 | -1.8 | T | GSRC0066 | |
| IU | BILL | 51.692 | 20 | pP | 2025-04-04 13:21:06.2 | -8.8 | GSRC0066 | ||
| IM | ABKAR | 53.713 | 314 | P | 2025-04-04 13:21:23.5 | 0.6 | T | NEIR0067 | |
| IM | ABK31 | 53.713 | 314 | P | 2025-04-04 13:21:23.4 | 0.5 | T | NEIR0068 | |
| AU | EIDS | 56.948 | 148 | P | 2025-04-04 13:21:45.3 | -0.7 | T | NEIR0069 | |
| AK | ANM | 61.207 | 28 | P | 2025-04-04 13:22:16.3 | 0.6 | T | NEIR0070 | |
| AK | H17K | 63.554 | 28 | P | 2025-04-04 13:22:31.1 | -0.3 | T | NEIR0071 | |
| AK | N15K | 63.619 | 33 | P | 2025-04-04 13:22:31.7 | -0.2 | T | NEIR0072 | |
| AK | J17K | 63.957 | 29 | P | 2025-04-04 13:22:33.7 | -0.5 | T | NEIR0073 | |
| GO | SHNK | 64.022 | 307 | P | 2025-04-04 13:22:34.5 | -0.5 | T | NEIR0074 | |
| AK | M16K | 64.129 | 32 | P | 2025-04-04 13:22:34.9 | -0.3 | T | NEIR0075 | |
| AK | E19K | 64.585 | 25 | P | 2025-04-04 13:22:38.6 | 0.3 | T | NEIR0076 | |
| IR | ZEI | 65.224 | 308 | P | 2025-04-04 13:22:42.6 | 0 | T | GSRC0077 | |
| IR | ZEI | 65.224 | 308 | pP | 2025-04-04 13:22:42.7 | -7.2 | GSRC0077 | ||
| AK | N18K | 65.653 | 32 | P | 2025-04-04 13:22:45.0 | -0.2 | T | NEIR0078 | |
| AK | C23K | 66.816 | 22 | P | 2025-04-04 13:22:52.0 | -0.6 | T | NEIR0079 | |
| AK | H22K | 67.036 | 26 | P | 2025-04-04 13:22:54.1 | -0 | T | NEIR0080 | |
| AK | TOLK | 67.342 | 23 | P | 2025-04-04 13:22:55.9 | -0.1 | T | NEIR0081 | |
| IU | COLA | 68.656 | 27 | P | 2025-04-04 13:23:05.5 | 1.3 | T | GSRC0082 | |
| IU | COLA | 68.656 | 27 | P | 2025-04-04 13:23:05.5 | 1.3 | T | GSRC0082 | |
| AK | C26K | 68.745 | 22 | P | 2025-04-04 13:23:04.9 | 0.1 | T | NEIR0083 | |
| IM | BMAR | 69.410 | 24 | P | 2025-04-04 13:23:09.5 | 0.5 | T | NEIR0084 | |
| XG | B011 | 69.577 | 347 | P | 2025-04-04 13:12:20.7 | -999 | CWB0085 | ||
| XG | B011 | 69.577 | 347 | P | 2025-04-04 13:12:20.8 | -999 | CWB0085 | ||
| IM | BCAR | 71.696 | 28 | P | 2025-04-04 13:23:23.1 | 0.1 | T | NEIR0086 | |
| CN | DAWY | 72.402 | 27 | P | 2025-04-04 13:23:26.9 | -0.3 | T | NEIR0087 | |
| IM | BRTR | 73.466 | 307 | P | 2025-04-04 13:23:33.7 | -0.1 | T | GSRC0089 | |
| IM | BRTR | 73.466 | 307 | P | 2025-04-04 13:23:33.7 | -0.1 | T | GSRC0089 | |
| IM | BRTR | 73.466 | 307 | P | 2025-04-04 13:23:33.7 | -0.1 | T | NEIR0088 | |
| GE | BALJ | 74.329 | 299 | P | 2025-04-04 13:23:38.9 | 0.2 | T | NEIR0090 | |
| IR | EYL | 75.746 | 308 | P | 2025-04-04 13:12:09.3 | -999 | CWB0091 | ||
| IR | EYL | 75.746 | 308 | P | 2025-04-04 13:12:09.4 | -999 | CWB0091 | ||
| IM | YKA | 82.836 | 23 | P | 2025-04-04 13:24:25.1 | -0 | T | GSRC0092 | |
| IM | YKA | 82.836 | 23 | PcP | 2025-04-04 13:24:25.2 | -4.7 | T | GSRC0092 | |
| IR | ENT | 89.189 | 270 | P | 2025-04-04 13:12:14.7 | -999 | CWB0093 | ||
| IR | ENT | 89.189 | 270 | P | 2025-04-04 13:12:14.8 | -999 | CWB0093 | ||
| IR | ENT | 89.189 | 270 | S | 2025-04-04 13:12:22.5 | -999 | CWB0094 | ||
| IR | ENT | 89.189 | 270 | S | 2025-04-04 13:12:22.6 | -999 | CWB0094 | ||
| CI | WHF | 97.859 | 45 | P | 2025-04-04 13:12:10.1 | -999 | CWB0095 | ||
| CI | WHF | 97.859 | 45 | P | 2025-04-04 13:12:10.2 | -999 | CWB0095 | ||
| CI | WHF | 97.859 | 45 | S | 2025-04-04 13:12:14.9 | -999 | CWB0096 | ||
| CI | WHF | 97.859 | 45 | S | 2025-04-04 13:12:15.0 | -999 | CWB0096 |