Magnitude 4.1, Wed Oct 22 2025 9:40 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


0.01.02.03.04.05.0Magnitude01234567Time 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


0100200Depth (km)01234567Time 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
2025-10-22T08:48:20Z best 4.1 100.0 -30.23 -177.79
2025-10-22T08:45:55Z preliminary 3.9 192.3 -30.27 -177.98
2025-10-22T08:44:19Z automatic 1.6 45.0 -37.69 178.19
2025-10-22T08:44:07Z automatic 1.4 45.0 -37.69 178.19
2025-10-22T08:43:44Z automatic 1.2 45.0 -37.69 178.19
2025-10-22T08:43:34Z automatic 1.0 45.0 -37.69 178.19
2025-10-22T08:43:26Z automatic 1.2 45.0 -37.69 178.19