Magnitude 5.4, Sat Aug 23 2025 12:53 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


0.01.02.03.04.05.06.0Magnitude02468101214161820222426283032343638Time 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


0100200300Depth (km)02468101214161820222426283032343638Time 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
2025-08-22T13:32:26Z best 5.4 237.4 -17.96 168.56
2025-08-22T13:02:31Z preliminary 5.2 280.2 -18.00 167.59
2025-08-22T12:58:28Z automatic 2.2 21.7 -36.29 175.13
2025-08-22T12:58:23Z automatic 2.1 21.7 -36.29 175.13
2025-08-22T12:58:20Z automatic 2.0 21.7 -36.29 175.13
2025-08-22T12:58:10Z automatic 2.0 21.7 -36.29 175.13
2025-08-22T12:58:08Z automatic 1.8 21.7 -36.29 175.13