This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.3 mb
Local datetime 2023/05/31 14:21
Universal datetime 2023/05/31 02:21
Latitude -49.98 ° ± 6 km
Longitude 163.01 ° ± 12 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  1025 363926
Dunedin  720 114347
Lower Hutt  1344 101194
Porirua  1348 50914
Invercargill  562 47287
Upper Hutt  1356 38400
Ashburton  947 30100
Timaru  879 28007
Blenheim  1267 26550
Oamaru  808 13000
Gore  619 12108
Queenstown  699 10442
Kaiapoi  1039 10200
Greymouth  1047 9419
Wellington  1329 5428

Past seismicity

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

Event details

Parameters

Evaluation status
RMS 1.76
Azimuthal gap 198.01 °
Number of stations used 12
Number of phases used 12

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
II TAU P 02:24:30.87 -0.77 297.29 12.88 Automatic
G DRV P 02:26:05.10 0.01 206.45 20.34 Automatic
IU SBA P 02:27:16.89 -1.96 178.32 27.91 Automatic
G CCD P 02:27:35.10 -1.23 199.26 29.86 Automatic
IU CASY P 02:27:45.2 -0.03 218.5 30.83 Automatic
IU CTAO P 02:27:58.87 -1.57 329.94 32.72 Automatic
IU NWAO P 02:28:45.29 2.21 279.33 37.55 Automatic
II WRAB P 02:28:40.52 -2.69 312.47 37.66 Automatic
IU MBWA P 02:29:39.29 -0.67 294.24 44.52 Automatic
GE VOI P 02:34:26.0 3.21 236.23 88.68 Automatic
IU CHTO P 02:34:23.62 1.9 301.64 88.9 Automatic
IU MAJO P 02:34:23.82 1.59 340.3 89.26 Automatic