Magnitude 4.0, Sat Sep 20 2025 4:14 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


0100Depth (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
2025-09-20T04:21:35Z best 4.0 100.0 -35.44 -179.60
2025-09-20T04:21:35Z preliminary 4.0 100.0 -35.41 -179.66
2025-09-20T04:18:28Z preliminary 4.0 100.0 -35.41 -179.66
2025-09-20T04:18:26Z preliminary 4.0 100.0 -35.41 -179.66
2025-09-20T04:16:56Z automatic 3.7 88.9 -35.93 179.69
2025-09-20T04:16:52Z automatic 3.7 88.9 -35.93 179.69
2025-09-20T04:16:52Z automatic 3.7 88.9 -35.93 179.69
2025-09-20T04:16:48Z automatic 3.7 88.9 -35.93 179.69
2025-09-20T04:16:48Z automatic 3.7 88.9 -35.93 179.69
2025-09-20T04:16:46Z automatic 3.6 88.9 -35.93 179.69
2025-09-20T04:16:45Z automatic 3.6 88.9 -35.93 179.69
2025-09-20T04:16:44Z automatic 3.6 88.9 -35.93 179.69
2025-09-20T04:16:44Z automatic 3.5 88.9 -35.93 179.69
2025-09-20T04:16:42Z automatic 3.5 88.9 -35.93 179.69
2025-09-20T04:16:40Z automatic 3.5 88.9 -35.93 179.69
2025-09-20T04:16:37Z automatic 3.4 88.9 -35.93 179.69
2025-09-20T04:16:34Z automatic 3.4 88.9 -35.93 179.69
2025-09-20T04:16:29Z automatic 3.1 88.9 -35.93 179.69