Magnitude 1.8, Sat May 31 2025 3:09 PM


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


0.01.02.03.0Magnitude012Time since earthquake (hours)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)012Time since earthquake (hours)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
2025-05-31T05:19:32Z best 1.8 21.4 -39.13 177.57
2025-05-31T03:13:49Z preliminary 1.8 21.2 -39.13 177.57
2025-05-31T03:10:48Z automatic 2.1 17.6 -39.12 177.54
2025-05-31T03:10:40Z automatic 1.9 17.6 -39.12 177.54
2025-05-31T03:10:22Z automatic 1.7 17.6 -39.12 177.54
2025-05-31T03:10:21Z automatic 1.6 17.6 -39.12 177.54