Magnitude 1.9, Thu Aug 21 2025 11:16 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


0.01.02.03.0Magnitude0123456Time 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


0102030Depth (km)0123456Time 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
2025-08-21T17:30:59Z best 1.9 5.0 -37.02 177.19
2025-08-21T11:19:26Z preliminary 2.5 18.2 -37.02 177.21
2025-08-21T11:18:17Z preliminary 2.4 18.2 -37.02 177.21
2025-08-21T11:18:14Z automatic 1.7 26.4 -37.77 177.95
2025-08-21T11:17:28Z automatic 1.2 26.4 -37.77 177.95