Magnitude 1.5, Sat Aug 23 2025 12:57 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


0.01.02.03.0Magnitude01Time 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
2025-08-22T14:52:43Z best 1.5 15.5 -39.73 177.15
2025-08-22T12:59:44Z preliminary 2.4 19.4 -39.70 177.19
2025-08-22T12:59:06Z automatic 2.8 14.3 -39.34 177.54
2025-08-22T12:59:03Z automatic 2.7 14.3 -39.34 177.54
2025-08-22T12:58:54Z automatic 2.6 14.3 -39.34 177.54
2025-08-22T12:58:47Z automatic 2.7 14.3 -39.34 177.54
2025-08-22T12:58:37Z automatic 2.7 14.3 -39.34 177.54