Magnitude 2.2, Sat Aug 16 2025 6:31 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


0.01.02.03.0Magnitude012Time 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


01234567Depth (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
2025-08-15T20:40:38Z best 2.2 2.8 -43.73 171.07
2025-08-15T18:33:15Z preliminary 2.1 2.9 -43.73 171.08
2025-08-15T18:33:09Z preliminary 2.1 2.9 -43.73 171.08
2025-08-15T18:32:59Z automatic 2.0 5.2 -43.73 171.10
2025-08-15T18:32:59Z automatic 2.0 5.2 -43.73 171.10
2025-08-15T18:32:51Z automatic 2.0 5.2 -43.73 171.10
2025-08-15T18:32:48Z automatic 2.0 5.5 -43.73 171.08
2025-08-15T18:32:38Z automatic 2.0 5.5 -43.73 171.08
2025-08-15T18:32:27Z automatic 2.1 5.5 -43.73 171.08