Magnitude 1.8, Mon Jul 28 2025 3:20 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


0.01.02.0Magnitude01234Time 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)01234Time 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
2025-07-27T15:25:14Z best 1.8 5.0 -37.90 178.37
2025-07-27T15:22:53Z preliminary 1.8 4.8 -37.90 178.37
2025-07-27T15:21:39Z automatic 1.9 5.2 -37.91 178.35
2025-07-27T15:21:34Z automatic 1.8 5.2 -37.91 178.35
2025-07-27T15:21:31Z automatic 1.7 5.2 -37.91 178.35