Magnitude 2.5, Thu May 4 2023 5:47 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


0.01.02.03.04.0Magnitude012345678910111213Time 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


01020Depth (km)012345678910111213Time 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
2023-05-03T18:00:47Z best 2.5 3.9 -38.93 175.73
2023-05-03T17:54:55Z preliminary 2.5 4.0 -38.93 175.72
2023-05-03T17:54:55Z automatic 3.2 7.7 -38.93 175.71
2023-05-03T17:53:42Z automatic 3.2 7.7 -38.93 175.71
2023-05-03T17:51:50Z automatic 3.2 20.5 -38.84 175.72