Magnitude 3.1, Mon Aug 18 2025 1:57 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


0.01.02.03.04.0Magnitude01234567Time 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


020406080Depth (km)01234567Time 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
2025-08-18T02:05:19Z best 3.1 53.9 -39.41 176.20
2025-08-18T02:00:44Z preliminary 3.1 53.4 -39.41 176.21
2025-08-18T02:00:18Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:17Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:15Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:14Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:13Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:11Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:10Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:09Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:08Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:06Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:03Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:02Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T02:00:01Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:58Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:55Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:53Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:52Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:47Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:46Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:45Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:45Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:44Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:44Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:42Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:41Z automatic 3.1 67.5 -39.41 176.28
2025-08-18T01:59:41Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:40Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:25Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:24Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:22Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:21Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:20Z automatic 3.2 67.5 -39.41 176.28
2025-08-18T01:59:16Z automatic 3.0 67.5 -39.41 176.28
2025-08-18T01:59:08Z automatic 3.0 67.5 -39.41 176.28
2025-08-18T01:59:07Z automatic 3.0 67.5 -39.41 176.28
2025-08-18T01:59:07Z automatic 3.0 67.5 -39.41 176.28
2025-08-18T01:59:06Z automatic 3.0 67.5 -39.41 176.28
2025-08-18T01:59:05Z automatic 2.9 67.5 -39.41 176.28
2025-08-18T01:59:04Z automatic 2.9 67.5 -39.41 176.28
2025-08-18T01:59:04Z automatic 2.9 67.5 -39.41 176.28
2025-08-18T01:59:03Z automatic 2.9 67.5 -39.41 176.28
2025-08-18T01:58:59Z automatic 2.8 67.5 -39.41 176.28
2025-08-18T01:58:59Z automatic 2.8 67.5 -39.41 176.28
2025-08-18T01:58:56Z automatic 2.7 67.5 -39.41 176.28
2025-08-18T01:58:56Z automatic 2.7 67.5 -39.41 176.28
2025-08-18T01:58:56Z automatic 2.7 67.5 -39.41 176.28
2025-08-18T01:58:53Z automatic 2.7 58.0 -39.38 176.27
2025-08-18T01:58:52Z automatic 2.7 58.0 -39.38 176.27
2025-08-18T01:58:47Z automatic 2.5 58.0 -39.38 176.27