Magnitude 1.6, Fri May 23 2025 8:39 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


0.01.02.0Magnitude012345Time 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


0100Depth (km)012345Time 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
2025-05-23T01:57:50Z best 1.6 133.5 -38.35 176.84
2025-05-22T20:45:28Z preliminary 1.8 137.8 -38.39 176.87
2025-05-22T20:41:28Z automatic 0.6 14.3 -39.22 175.79
2025-05-22T20:41:22Z automatic 0.6 14.3 -39.22 175.79
2025-05-22T20:41:21Z automatic 0.6 14.3 -39.22 175.79
2025-05-22T20:41:19Z automatic 0.7 14.3 -39.22 175.79
2025-05-22T20:41:18Z automatic 0.7 14.3 -39.22 175.79
2025-05-22T20:41:11Z automatic 0.9 14.3 -39.22 175.79