Magnitude 1.6, Thu Aug 21 2025 6:37 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


0.01.02.0Magnitude0123Time 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


01020Depth (km)0123Time 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
2025-08-21T06:40:34Z best 1.6 20.0 -40.92 175.99
2025-08-21T06:39:23Z automatic 1.7 23.4 -40.92 175.98
2025-08-21T06:38:46Z automatic 1.6 23.4 -40.92 175.98
2025-08-21T06:38:33Z automatic 1.6 23.8 -40.92 175.98
2025-08-21T06:38:27Z automatic 1.6 23.8 -40.92 175.98
2025-08-21T06:38:20Z automatic 1.6 23.8 -40.92 175.98
2025-08-21T06:38:14Z automatic 1.6 23.8 -40.92 175.98
2025-08-21T06:38:14Z automatic 1.6 23.8 -40.92 175.98
2025-08-21T06:38:12Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:12Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:10Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:09Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:09Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:06Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:06Z automatic 1.5 23.8 -40.92 175.98
2025-08-21T06:38:01Z automatic 1.5 22.2 -40.92 175.97
2025-08-21T06:37:59Z automatic 1.5 22.2 -40.92 175.97
2025-08-21T06:37:50Z automatic 1.5 22.2 -40.92 175.97