Magnitude 4.2, Sat Sep 25 2021 3:53 AM


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


0.01.02.03.04.05.0Magnitude0123Time since earthquake (weeks)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


0100200300400Depth (km)0123Time since earthquake (weeks)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
2021-10-21T21:46:31Z best 4.2 406.3 -33.23 -179.94
2021-09-24T15:59:11Z best 4.3 344.5 -32.88 -179.92
2021-09-24T15:56:42Z preliminary 3.9 326.3 -32.73 179.81
2021-09-24T15:56:41Z automatic 2.4 65.9 -37.46 177.91
2021-09-24T15:56:34Z automatic 2.4 65.9 -37.46 177.91
2021-09-24T15:56:30Z automatic 2.4 65.9 -37.46 177.91
2021-09-24T15:56:29Z automatic 2.4 65.9 -37.46 177.91
2021-09-24T15:56:27Z automatic 2.3 65.9 -37.46 177.91
2021-09-24T15:56:26Z automatic 2.3 65.9 -37.46 177.91
2021-09-24T15:56:25Z automatic 2.2 65.9 -37.46 177.91
2021-09-24T15:56:24Z automatic 2.2 65.9 -37.46 177.91
2021-09-24T15:56:22Z automatic 2.1 65.9 -37.46 177.91
2021-09-24T15:56:21Z automatic 2.1 65.9 -37.46 177.91
2021-09-24T15:56:12Z automatic 2.1 65.9 -37.46 177.91
2021-09-24T15:56:12Z automatic 2.0 65.9 -37.46 177.91
2021-09-24T15:56:03Z automatic 1.9 65.9 -37.46 177.91
2021-09-24T15:55:55Z automatic 1.9 65.9 -37.46 177.91
2021-09-24T15:55:53Z automatic 2.1 65.9 -37.46 177.91