Magnitude 1.0, Thu Aug 21 2025 5:23 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


0.01.02.0Magnitude0123456Time 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)0123456Time 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
2025-08-20T17:30:08Z best 1.0 25.6 -40.59 175.88
2025-08-20T17:30:07Z automatic 1.3 29.4 -40.59 175.90
2025-08-20T17:25:48Z automatic 1.6 29.4 -40.59 175.90
2025-08-20T17:25:22Z automatic 1.4 29.4 -40.59 175.90
2025-08-20T17:25:09Z automatic 1.3 29.4 -40.59 175.90
2025-08-20T17:25:04Z automatic 1.3 29.4 -40.59 175.90
2025-08-20T17:24:58Z automatic 1.3 29.4 -40.59 175.90
2025-08-20T17:24:56Z automatic 1.3 29.4 -40.59 175.90
2025-08-20T17:24:50Z automatic 1.3 29.4 -40.59 175.90
2025-08-20T17:24:49Z automatic 1.3 28.2 -40.59 175.89
2025-08-20T17:24:36Z automatic 1.3 28.2 -40.59 175.89