Magnitude 3.5, Mon Aug 18 2025 3:22 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


0.01.02.03.04.0Magnitude01234567891011Time 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


0100200300400500Depth (km)01234567891011Time 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
2025-08-18T03:33:51Z best 3.5 465.3 -32.99 179.71
2025-08-18T03:29:42Z preliminary 3.5 449.4 -32.91 179.80
2025-08-18T03:26:46Z automatic 2.2 85.9 -39.29 175.96
2025-08-18T03:26:44Z automatic 2.1 85.9 -39.29 175.96
2025-08-18T03:26:42Z automatic 2.0 85.9 -39.29 175.96
2025-08-18T03:26:29Z automatic 1.8 85.9 -39.29 175.96
2025-08-18T03:26:25Z automatic 1.8 85.9 -39.29 175.96
2025-08-18T03:26:24Z automatic 1.6 85.9 -39.29 175.96
2025-08-18T03:26:23Z automatic 1.6 85.9 -39.29 175.96
2025-08-18T03:26:22Z automatic 1.8 85.9 -39.29 175.96
2025-08-18T03:26:17Z automatic 1.4 85.9 -39.29 175.96
2025-08-18T03:26:15Z automatic 3.4 251.1 -35.23 178.36
2025-08-18T03:26:09Z automatic 3.3 251.1 -35.23 178.36
2025-08-18T03:26:03Z automatic 3.2 251.1 -35.23 178.36
2025-08-18T03:26:00Z automatic 3.3 251.1 -35.23 178.36
2025-08-18T03:25:57Z automatic 3.6 251.1 -35.23 178.36