Magnitude 3.1, Fri Aug 22 2025 9:05 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


0.01.02.03.04.0Magnitude012Time 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


0100200Depth (km)012Time 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
2025-08-21T23:33:11Z best 3.1 173.3 -35.29 178.75
2025-08-21T21:09:12Z preliminary 3.0 184.9 -35.32 178.72
2025-08-21T21:07:38Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:35Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:34Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:32Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:32Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:14Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:13Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:13Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:12Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:11Z automatic 1.9 39.4 -37.51 178.15
2025-08-21T21:07:08Z automatic 1.7 39.4 -37.51 178.15
2025-08-21T21:07:08Z automatic 1.7 39.4 -37.51 178.15
2025-08-21T21:07:04Z automatic 1.8 39.4 -37.51 178.15
2025-08-21T21:07:03Z automatic 1.8 39.4 -37.51 178.15
2025-08-21T21:07:02Z automatic 1.8 39.4 -37.51 178.15