Magnitude 0.4, Thu Aug 21 2025 12:41 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


0.01.02.0Magnitude01234567Time 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


010Depth (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
2025-08-21T00:49:05Z best 0.4 5.0 -39.25 175.38
2025-08-21T00:49:05Z best 0.4 5.0 -39.25 175.38
2025-08-21T00:43:47Z automatic 0.6 10.1 -39.24 175.53
2025-08-21T00:43:42Z automatic 1.1 10.1 -39.24 175.53