Magnitude 2.3, Tue Feb 23 2021 4:59 PM



Location history for this earthquake. The automatic earthquake location system makes many locations for each quake. Not all quakes have a location history.

Magnitude History


0.01.02.03.0Magnitude0123456Time since earthquake (minutes)Magnitude Historyb

The magnitude history for this event. The most recent value is shown as a larger circle and also labeled: c: caution, g: good b: best (reviewed by a duty person).

Depth History


010Depth (km)0123456Time since earthquake (minutes)Depth Historyb

The depth history for this event. The most recent value is shown as a larger circle and also labeled; c: caution, g: good b: best (reviewed by a duty person).

Origin History Map

Map of New Zealand.

Location History


Modification Time Quality Magnitude Depth Latitude Longitude
2021-02-23T04:05:42Z best 2.3 0.0 -37.61 175.06
2021-02-23T04:01:15Z preliminary 2.0 0.0 -37.62 175.09
2021-02-23T04:01:15Z automatic 2.0 10.6 -37.59 175.15
2021-02-23T04:01:09Z automatic 2.0 10.6 -37.59 175.15
2021-02-23T04:00:53Z automatic 2.0 10.6 -37.59 175.15
2021-02-23T04:00:52Z automatic 2.0 10.6 -37.59 175.15
2021-02-23T04:00:52Z automatic 1.7 10.6 -37.59 175.15
2021-02-23T04:00:48Z automatic 1.7 10.6 -37.59 175.15
2021-02-23T04:00:39Z automatic 1.7 10.6 -37.59 175.15
2021-02-23T04:00:38Z automatic 1.7 10.6 -37.59 175.15
2021-02-23T04:00:38Z automatic 1.3 10.6 -37.59 175.15
2021-02-23T04:00:37Z automatic 1.3 10.6 -37.59 175.15
2021-02-23T04:00:09Z automatic 1.4 10.2 -37.59 175.15