Magnitude 4.0, Sat Dec 25 2021 5:57 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


0.01.02.03.04.05.0Magnitude012345Time 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


010203040Depth (km)012345Time 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
2021-12-24T17:03:38Z best 4.0 30.2 -37.65 178.28
2021-12-24T17:01:23Z preliminary 4.0 28.7 -37.66 178.28
2021-12-24T17:00:08Z preliminary 4.0 28.7 -37.66 178.28
2021-12-24T17:00:08Z preliminary 4.0 28.7 -37.66 178.28
2021-12-24T17:00:07Z preliminary 4.0 28.7 -37.66 178.28
2021-12-24T17:00:07Z automatic 3.9 34.5 -37.80 178.13
2021-12-24T17:00:06Z automatic 3.9 34.5 -37.80 178.13
2021-12-24T17:00:05Z automatic 3.9 34.5 -37.80 178.13
2021-12-24T17:00:04Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T17:00:03Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T17:00:02Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:59Z automatic 4.1 30.8 -37.67 178.22
2021-12-24T16:59:59Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:54Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:53Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:50Z automatic 4.1 34.5 -37.80 178.13
2021-12-24T16:59:49Z automatic 4.1 34.5 -37.80 178.13
2021-12-24T16:59:49Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:48Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:48Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:45Z automatic 4.0 34.5 -37.80 178.13
2021-12-24T16:59:43Z automatic 4.0 34.5 -37.80 178.13