Magnitude 3.7, Sat Aug 23 2025 4:43 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


0.01.02.03.04.0Magnitude012345678910Time 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


0100Depth (km)012345678910Time 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
2025-08-23T15:33:49Z best 3.7 33.0 -30.36 -178.07
2025-08-23T04:53:36Z preliminary 3.8 33.0 -30.41 -177.18
2025-08-23T04:48:34Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:48:32Z automatic 3.5 139.5 -35.19 179.31
2025-08-23T04:48:26Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:48:23Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:48:21Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:48:11Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:48:07Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:48:00Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:47:59Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:47:48Z automatic 1.8 33.8 -37.82 178.03
2025-08-23T04:47:44Z automatic 1.6 33.8 -37.82 178.03
2025-08-23T04:47:42Z automatic 3.5 139.5 -35.19 179.31
2025-08-23T04:47:35Z automatic 1.4 33.8 -37.82 178.03
2025-08-23T04:47:35Z automatic 1.4 33.8 -37.82 178.03
2025-08-23T04:47:30Z automatic 1.0 33.8 -37.82 178.03
2025-08-23T04:47:29Z automatic 1.0 33.8 -37.82 178.03
2025-08-23T04:47:26Z automatic 0.8 33.8 -37.82 178.03