Magnitude 4.0, Sun May 28 2023 4:08 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


0.01.02.03.04.05.0Magnitude012Time 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


0100200Depth (km)012Time 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
2023-06-12T21:39:33Z best 4.0 100.0 -33.70 -179.10
2023-05-27T16:25:57Z best 3.9 174.4 -33.77 -179.19
2023-05-27T16:14:12Z preliminary 4.4 0.0 -34.25 -179.19
2023-05-27T16:13:52Z automatic 1.7 5.5 -40.86 175.76
2023-05-27T16:13:46Z automatic 1.7 5.5 -40.86 175.76
2023-05-27T16:13:32Z automatic 1.6 5.5 -40.86 175.76
2023-05-27T16:13:28Z automatic 1.5 5.5 -40.86 175.76
2023-05-27T16:13:15Z automatic 1.4 5.5 -40.86 175.76
2023-05-27T16:13:13Z automatic 1.5 5.5 -40.86 175.76
2023-05-27T16:12:40Z automatic 1.4 5.5 -40.86 175.76
2023-05-27T16:12:35Z automatic 1.3 5.5 -40.86 175.76
2023-05-27T16:12:21Z automatic 1.0 5.5 -40.86 175.76