Magnitude 3.1, Thu Nov 18 2021 4:37 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


0.01.02.03.04.0Magnitude0123Time since earthquake (days)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)0123Time since earthquake (days)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
2021-11-22T03:33:40Z best 3.1 33.0 -37.98 178.61
2021-11-19T00:58:19Z best 3.1 30.0 -37.98 178.63
2021-11-18T05:35:37Z best 3.1 29.7 -37.99 178.64
2021-11-18T03:38:47Z preliminary 3.2 31.8 -37.97 178.64
2021-11-18T03:38:34Z preliminary 3.2 31.8 -37.97 178.64
2021-11-18T03:38:34Z preliminary 3.1 31.8 -37.97 178.64
2021-11-18T03:38:32Z preliminary 3.1 31.8 -37.97 178.64
2021-11-18T03:38:23Z preliminary 3.1 31.8 -37.97 178.64
2021-11-18T03:38:21Z preliminary 3.1 31.8 -37.97 178.64
2021-11-18T03:38:18Z preliminary 2.9 31.8 -37.97 178.64
2021-11-18T03:38:14Z preliminary 2.9 31.8 -37.97 178.64
2021-11-18T03:38:11Z preliminary 2.6 31.8 -37.97 178.64
2021-11-18T03:38:07Z preliminary 2.6 31.8 -37.97 178.64
2021-11-18T03:38:07Z automatic 2.5 31.7 -38.00 178.52
2021-11-18T03:38:04Z automatic 2.5 31.7 -38.00 178.52