Magnitude 1.7, Mon Jul 28 2025 7:37 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


0.01.02.0Magnitude012Time 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


0204060Depth (km)012Time 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
2025-07-27T21:54:50Z best 1.7 7.2 -40.32 176.66
2025-07-27T19:40:20Z preliminary 1.9 59.8 -40.34 176.71
2025-07-27T19:39:28Z automatic 1.9 9.0 -40.30 176.65
2025-07-27T19:38:59Z automatic 1.8 9.0 -40.30 176.65
2025-07-27T19:38:55Z automatic 1.8 9.0 -40.30 176.65
2025-07-27T19:38:50Z automatic 1.9 9.0 -40.30 176.65
2025-07-27T19:38:48Z automatic 1.8 9.0 -40.30 176.65
2025-07-27T19:38:33Z automatic 1.6 9.0 -40.30 176.65
2025-07-27T19:38:23Z automatic 1.7 9.0 -40.30 176.65