Magnitude 1.6, Mon Sep 22 2025 11:41 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


0.01.02.0Magnitude01234Time 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


010203040Depth (km)01234Time 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
2025-09-21T23:45:29Z best 1.6 26.4 -40.99 174.49
2025-09-21T23:43:21Z automatic 1.8 33.4 -40.99 174.48
2025-09-21T23:43:02Z automatic 1.7 33.4 -40.99 174.48
2025-09-21T23:42:58Z automatic 1.7 33.4 -40.99 174.48
2025-09-21T23:42:15Z automatic 1.7 33.4 -40.99 174.48
2025-09-21T23:42:09Z automatic 1.6 33.4 -40.99 174.48
2025-09-21T23:41:59Z automatic 1.4 33.4 -40.99 174.48