Magnitude 0.5, Sat Aug 23 2025 12:50 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


0.01.0Magnitude0123Time 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


01234567Depth (km)0123Time 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
2025-08-22T12:53:52Z best 0.5 4.5 -39.01 175.79
2025-08-22T12:53:42Z best 0.5 4.5 -39.01 175.79
2025-08-22T12:51:48Z preliminary 0.6 4.0 -39.01 175.79
2025-08-22T12:51:40Z automatic 0.5 5.2 -39.00 175.80