Magnitude 1.8, Sat Aug 23 2025 2:12 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


0.01.02.0Magnitude01Time 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)01Time 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
2025-08-22T15:47:59Z best 1.8 21.7 -38.32 178.45
2025-08-22T14:14:05Z preliminary 1.8 21.9 -38.32 178.44
2025-08-22T14:13:56Z automatic 1.5 18.5 -38.30 178.32
2025-08-22T14:13:52Z automatic 1.5 18.5 -38.30 178.32
2025-08-22T14:13:47Z automatic 1.5 18.5 -38.30 178.32
2025-08-22T14:13:45Z automatic 1.5 18.5 -38.30 178.32
2025-08-22T14:13:39Z automatic 1.5 19.4 -38.30 178.32
2025-08-22T14:13:36Z automatic 1.6 19.4 -38.30 178.32