This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2021/02/04 16:14
Universal datetime 2021/02/04 08:14
Latitude 21.84 ° ± 4 km
Longitude 121.64 ° ± 5 km
Depth 10 km (from location) ± 0.0 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Taipei  354 7.8719e+06
Kaohsiung  166 1.519711e+06
Taichung  274 1.040725e+06
Tainan  196 764147
Xiamen  465 578337
Hsinchu  336 404109
Keelung  364 397515
Hualien  237 350468
Quanzhou  461 184143
Taitung  113 110941
Nantou  250 105682
Douliou  235 104723
Laoag  418 102105
Yilan  322 94188
Magong  285 56435

Past seismicity

  This map shows only the 0 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.81
Azimuthal gap 107.72 °
Number of stations used 33
Number of phases used 33

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
IU TATO P 08:14:57.12 1.07 357.63 3.13 Automatic
IU INCN P 08:17:55.32 1.21 14.29 16.22 Automatic
IU MAJO P 08:18:45.62 0.19 40.71 20.56 Automatic
IU CHTO P 08:18:56.19 0.32 265.99 21.48 Automatic
II KAPI P 08:19:46.84 -0.04 184.16 26.92 Automatic
II ERM P 08:19:51.37 2.22 36.81 27.05 Automatic
IU ULN P 08:20:01.17 -0.93 339.28 28.53 Automatic
IU YSS P 08:20:18.15 -0.28 29.12 30.36 Automatic
II TLY P 08:20:40.7 -0.89 339.37 32.93 Automatic
IU MAKZ P 08:21:45.89 -0.04 317.73 40.51 Automatic
IU YAK P 08:21:48.67 2.84 5.79 40.57 Automatic
II COCO P 08:21:55.12 -0.56 217.93 41.84 Automatic
IU PET P 08:21:57.7 -1.01 32.75 42.01 Automatic
IU MA2 P 08:22:04.82 -1.09 21.19 42.99 Automatic
II KURK P 08:22:15.12 -0.37 321.66 44.14 Automatic
II AAK P 08:22:17.67 1.1 309.37 44.24 Automatic
IU CTAO P 08:22:42.77 -4.21 148.43 48.34 Automatic
IU TIXI P 08:22:59.7 -1.57 2.97 49.96 Automatic
IU BILL P 08:23:26.92 -2.33 19.05 53.76 Automatic
IU NWAO P 08:23:37.17 1.6 184.51 54.93 Automatic
IU GNI P 08:24:58.47 1.71 305.65 66.38 Automatic
II KIV P 08:25:01.97 -0.5 310 67.28 Automatic
II RAYN P 08:25:14.22 -1.47 287.97 69.36 Automatic
II KDAK P 08:25:18.49 2.65 34.6 69.44 Automatic
II OBN P 08:25:17.7 1.02 322.52 69.46 Automatic
IU COLA P 08:25:21.17 -1.27 26.77 70.52 Automatic
IU KIEV P 08:25:45.17 -2.67 319.01 74.74 Automatic
II ALE P 08:25:51.22 -1.45 0.54 75.64 Automatic
GE KIBK P 08:26:41.22 -1.58 265.41 84.94 Automatic
GE VOI P 08:26:46.45 3.25 243.94 85.17 Automatic
IU KMBO P 08:26:42.92 -1.26 266.86 85.21 Automatic
II FFC P 08:27:29.82 -0.09 23.57 94.84 Automatic
G CCD P 08:27:41.5 4.41 179.57 96.96 Automatic