Magnitude 4.8, Mon May 29 2023 6:21 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


0.01.02.03.04.05.0Magnitude02468101214161820222426283032343638Time 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


0100200300400500600Depth (km)02468101214161820222426283032343638Time 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
2023-05-28T18:59:51Z best 4.8 449.2 -27.88 -179.79
2023-05-28T18:25:21Z preliminary 4.2 555.6 -27.21 -178.79
2023-05-28T18:25:21Z automatic 1.9 53.8 -37.77 177.79
2023-05-28T18:25:21Z automatic 1.9 53.8 -37.77 177.79
2023-05-28T18:25:18Z automatic 1.7 53.8 -37.77 177.79
2023-05-28T18:25:17Z automatic 1.2 53.8 -37.77 177.79