Magnitude 1.8, Sun May 28 2023 5:22 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


0.01.02.03.0Magnitude012345678910111213141516171819202122232425Time since earthquake (minutes)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


0102030Depth (km)012345678910111213141516171819202122232425Time since earthquake (minutes)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
2023-05-27T17:48:04Z best 1.8 5.0 -42.17 173.59
2023-05-27T17:24:49Z preliminary 2.0 9.3 -42.18 173.62
2023-05-27T17:24:26Z preliminary 1.9 9.3 -42.18 173.62
2023-05-27T17:24:22Z preliminary 1.8 9.3 -42.18 173.62
2023-05-27T17:24:09Z preliminary 1.8 9.3 -42.18 173.62
2023-05-27T17:24:08Z preliminary 1.8 9.3 -42.18 173.62
2023-05-27T17:24:08Z automatic 1.7 29.8 -42.22 173.65
2023-05-27T17:23:59Z automatic 1.7 29.8 -42.22 173.65
2023-05-27T17:23:52Z automatic 1.7 24.2 -42.20 173.63
2023-05-27T17:23:36Z automatic 1.7 24.2 -42.20 173.63