This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.5 mb
Local datetime 2023/09/20 09:14
Universal datetime 2023/09/19 21:14
Latitude -43.57 ° ± 5 km
Longitude 171.16 ° ± 6 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
Christchurch  119 363926
Dunedin  262 114347
Lower Hutt  406 101194
Porirua  408 50914
Invercargill  384 47287
Upper Hutt  418 38400
Ashburton  59 30100
Timaru  92 28007
Blenheim  324 26550
Oamaru  171 13000
Gore  330 12108
Queenstown  252 10442
Kaiapoi  122 10200
Greymouth  123 9419
Wellington  391 5428

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.44
Azimuthal gap 129.75 °
Number of stations used 15
Number of phases used 15

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 SNZO P 21:15:46.37 1 50.3 3.46 Automatic
II TAU P 21:18:57.2 3.18 263.93 17.32 Automatic
G DRV P 21:20:48.0 0.42 205.4 28.54 Automatic
IU CTAO P 21:21:11.54 -0.49 310.54 31.36 Automatic
IU SBA P 21:21:39.54 1.09 181.64 34.32 Automatic
G CCD P 21:22:07.0 -0.65 198.15 37.71 Automatic
IU CASY P 21:22:19.12 -1.88 213.62 39.28 Automatic
IU PMG P 21:22:27.7 1.25 321.41 40.04 Automatic
IU NWAO P 21:22:52.4 1.43 265.52 42.88 Automatic
IU QSPA P 21:23:18.77 0.3 180.04 46.36 Automatic
IU MBWA P 21:23:27.79 -2.5 280.81 47.93 Automatic
II KAPI P 21:24:51.82 -1.3 295.12 59.31 Automatic
IU TATO P 21:27:10.57 -1.14 315.79 82.3 Automatic
IU INCN P 21:27:52.27 0.51 326.18 90.55 Automatic
IU CHTO P 21:27:52.57 -1.21 295.66 90.74 Automatic