Magnitude 1.1, Thu Aug 21 2025 11:20 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


0.01.02.0Magnitude012Time 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


0102030Depth (km)012Time 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
2025-08-20T23:22:25Z best 1.1 18.6 -40.42 175.89
2025-08-20T23:21:51Z automatic 0.9 26.4 -40.42 175.89
2025-08-20T23:21:51Z automatic 0.9 26.4 -40.42 175.89
2025-08-20T23:21:10Z automatic 0.9 26.4 -40.42 175.89
2025-08-20T23:20:58Z automatic 1.0 26.8 -40.42 175.89
2025-08-20T23:20:42Z automatic 0.6 26.8 -40.42 175.89