Magnitude 3.3, Wed Mar 1 2023 12:01 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 (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
2023-03-23T03:18:45Z best 3.3 9.8 -43.57 172.72
2023-02-28T23:08:12Z best 3.3 8.7 -43.58 172.74
2023-02-28T23:03:18Z preliminary 3.5 7.0 -43.58 172.74
2023-02-28T23:03:18Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:03:10Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:03:04Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:03:03Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:03:02Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:03:01Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:02:56Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:02:56Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:02:55Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:02:53Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:02:53Z automatic 3.5 15.5 -43.59 172.71
2023-02-28T23:02:52Z automatic 3.4 15.5 -43.59 172.71
2023-02-28T23:02:48Z automatic 3.4 15.5 -43.59 172.71
2023-02-28T23:02:47Z automatic 3.4 15.5 -43.59 172.71
2023-02-28T23:02:45Z automatic 3.3 15.5 -43.59 172.71
2023-02-28T23:02:43Z automatic 3.3 15.5 -43.59 172.71
2023-02-28T23:02:42Z automatic 3.3 14.1 -43.59 172.70
2023-02-28T23:02:39Z automatic 3.4 14.1 -43.59 172.70
2023-02-28T23:02:30Z automatic 3.3 14.1 -43.59 172.70
2023-02-28T23:02:29Z automatic 3.2 14.1 -43.59 172.70
2023-02-28T23:02:21Z automatic 3.0 14.1 -43.59 172.70