Magnitude 2.7, Thu Oct 28 2021 6:24 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


0.01.02.03.0Magnitude0123456789101112131415Time since earthquake (hours)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)0123456789101112131415Time since earthquake (hours)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
2021-10-28T20:26:50Z best 2.7 5.0 -43.58 172.76
2021-10-28T05:28:35Z best 2.7 4.2 -43.58 172.77
2021-10-28T05:26:31Z preliminary 2.7 3.6 -43.57 172.78
2021-10-28T05:26:17Z preliminary 2.7 3.6 -43.57 172.78
2021-10-28T05:26:12Z preliminary 2.7 3.6 -43.57 172.78
2021-10-28T05:26:03Z preliminary 2.6 3.6 -43.57 172.78
2021-10-28T05:25:54Z preliminary 2.6 3.6 -43.57 172.78
2021-10-28T05:25:51Z preliminary 2.5 3.6 -43.57 172.78
2021-10-28T05:25:51Z automatic 2.5 10.2 -43.59 172.74
2021-10-28T05:25:48Z automatic 2.5 10.2 -43.59 172.74
2021-10-28T05:25:42Z automatic 2.6 10.2 -43.59 172.74
2021-10-28T05:25:39Z automatic 2.5 10.2 -43.59 172.74
2021-10-28T05:25:34Z automatic 2.5 10.2 -43.59 172.74
2021-10-28T05:25:28Z automatic 2.3 10.2 -43.59 172.74