Magnitude 3.8, Fri Aug 22 2025 8:37 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


0.01.02.03.04.0Magnitude0123456Time 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)0123456Time 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
2025-08-21T20:44:03Z best 3.8 147.3 -40.59 173.38
2025-08-21T20:39:07Z preliminary 3.7 142.7 -40.58 173.36
2025-08-21T20:38:58Z preliminary 3.6 142.7 -40.58 173.36
2025-08-21T20:38:57Z preliminary 3.6 142.7 -40.58 173.36
2025-08-21T20:38:56Z preliminary 3.6 142.7 -40.58 173.36
2025-08-21T20:38:45Z preliminary 3.6 142.7 -40.58 173.36
2025-08-21T20:38:44Z preliminary 3.6 142.7 -40.58 173.36
2025-08-21T20:38:43Z preliminary 3.5 142.7 -40.58 173.36
2025-08-21T20:38:34Z preliminary 3.5 142.7 -40.58 173.36
2025-08-21T20:38:34Z preliminary 3.5 142.7 -40.58 173.36
2025-08-21T20:38:29Z automatic 3.5 102.6 -40.53 173.61
2025-08-21T20:38:29Z automatic 3.5 102.6 -40.53 173.61
2025-08-21T20:38:28Z automatic 3.4 102.6 -40.53 173.61
2025-08-21T20:38:28Z automatic 3.4 102.6 -40.53 173.61
2025-08-21T20:38:25Z automatic 3.1 102.6 -40.53 173.61