Magnitude 2.9, Fri Apr 23 2021 5:45 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


0100Depth (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
2021-04-23T05:51:48Z best 2.9 162.0 -38.40 175.65
2021-04-23T05:47:14Z preliminary 2.1 158.1 -38.35 175.73
2021-04-23T05:47:12Z preliminary 2.0 158.1 -38.35 175.73
2021-04-23T05:47:12Z automatic 2.1 145.6 -38.48 175.72
2021-04-23T05:47:10Z automatic 2.1 145.6 -38.48 175.72
2021-04-23T05:47:09Z automatic 2.1 145.6 -38.48 175.72
2021-04-23T05:47:01Z automatic 2.0 145.6 -38.48 175.72
2021-04-23T05:47:01Z automatic 2.0 145.6 -38.48 175.72
2021-04-23T05:46:58Z automatic 1.9 145.6 -38.48 175.72
2021-04-23T05:46:58Z automatic 1.9 145.6 -38.48 175.72
2021-04-23T05:46:57Z automatic 1.6 145.6 -38.48 175.72
2021-04-23T05:46:57Z automatic 1.6 145.6 -38.48 175.72
2021-04-23T05:46:48Z automatic 1.8 145.6 -38.48 175.72