Magnitude 1.7, Mon Jul 28 2025 9:51 PM


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


0.01.02.03.0Magnitude0246810121416182022242628303234363840424446Time 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


0123456789Depth (km)0246810121416182022242628303234363840424446Time 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
2025-07-28T10:38:35Z best 1.7 5.0 -43.87 169.72
2025-07-28T09:53:49Z preliminary 1.7 5.0 -43.85 169.69
2025-07-28T09:53:34Z automatic 2.9 6.9 -43.85 169.70
2025-07-28T09:53:26Z automatic 2.9 6.9 -43.85 169.70
2025-07-28T09:53:21Z automatic 2.9 6.9 -43.85 169.70