Magnitude 4.2, Tue May 2 2023 4:39 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


0.01.02.03.04.05.0Magnitude01234Time 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


0123456Depth (km)01234Time 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
2023-05-29T19:04:47Z best 4.2 5.0 -44.13 168.50
2023-05-01T16:44:31Z best 4.2 5.0 -44.13 168.50
2023-05-01T16:42:18Z preliminary 4.2 5.0 -44.11 168.49
2023-05-01T16:42:16Z preliminary 4.2 5.0 -44.11 168.49
2023-05-01T16:42:05Z preliminary 4.2 5.0 -44.11 168.49
2023-05-01T16:42:02Z preliminary 4.1 5.0 -44.11 168.49
2023-05-01T16:41:57Z preliminary 3.9 5.0 -44.11 168.49
2023-05-01T16:41:47Z preliminary 3.9 5.0 -44.11 168.49