Magnitude 0.6, Thu Aug 21 2025 2:04 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


0.01.02.0Magnitude0123Time 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


01020Depth (km)0123Time 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
2025-08-20T17:13:45Z best 0.6 20.3 -41.25 175.24
2025-08-20T14:07:04Z preliminary 1.3 20.5 -41.26 175.24
2025-08-20T14:06:37Z automatic 1.3 24.1 -41.26 175.24
2025-08-20T14:05:44Z automatic 1.2 24.1 -41.26 175.24
2025-08-20T14:05:34Z automatic 0.9 24.1 -41.26 175.24