Magnitude 2.3, Mon Oct 18 2021 12:43 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


0.01.02.03.0Magnitude0123Time 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


010Depth (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
2021-11-14T22:29:26Z best 2.3 4.9 -43.18 172.03
2021-10-17T23:48:17Z best 2.3 5.0 -43.19 172.03
2021-10-17T23:45:22Z preliminary 2.4 5.0 -43.21 172.05
2021-10-17T23:45:22Z automatic 2.3 9.5 -43.22 172.06
2021-10-17T23:45:22Z automatic 2.3 9.5 -43.22 172.06
2021-10-17T23:45:21Z automatic 2.3 9.5 -43.22 172.06
2021-10-17T23:45:21Z automatic 2.3 9.5 -43.22 172.06
2021-10-17T23:45:20Z automatic 2.3 9.5 -43.22 172.06
2021-10-17T23:45:19Z automatic 2.3 9.5 -43.22 172.06
2021-10-17T23:45:10Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:45:09Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:45:08Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:45:07Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:45:01Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:44:59Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:44:59Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:44:58Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:44:58Z automatic 2.2 9.5 -43.22 172.06
2021-10-17T23:44:57Z automatic 2.1 9.5 -43.22 172.06
2021-10-17T23:44:55Z automatic 2.1 9.5 -43.22 172.06
2021-10-17T23:44:53Z automatic 2.1 9.5 -43.22 172.06
2021-10-17T23:44:38Z automatic 2.2 11.1 -43.20 172.03