Magnitude 2.2, Thu Aug 21 2025 2:31 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


0.01.02.03.0Magnitude012Time 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


0100200Depth (km)012Time 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
2025-08-20T16:39:52Z best 2.2 145.0 -37.97 176.42
2025-08-20T14:34:17Z preliminary 1.9 167.5 -38.21 176.71
2025-08-20T14:33:48Z automatic 2.3 96.1 -39.06 176.03
2025-08-20T14:33:48Z automatic 2.3 96.1 -39.06 176.03
2025-08-20T14:33:42Z automatic 2.2 96.1 -39.06 176.03
2025-08-20T14:33:42Z automatic 2.2 96.1 -39.06 176.03
2025-08-20T14:33:39Z automatic 2.1 96.1 -39.06 176.03
2025-08-20T14:33:39Z automatic 2.1 96.1 -39.06 176.03
2025-08-20T14:33:37Z automatic 2.1 96.1 -39.06 176.03
2025-08-20T14:33:37Z automatic 2.1 96.1 -39.06 176.03
2025-08-20T14:33:32Z automatic 1.9 96.1 -39.06 176.03
2025-08-20T14:33:32Z automatic 1.9 96.1 -39.06 176.03
2025-08-20T14:33:26Z automatic 1.7 96.1 -39.06 176.03
2025-08-20T14:33:26Z automatic 1.7 96.1 -39.06 176.03
2025-08-20T14:33:22Z automatic 1.4 96.1 -39.06 176.03
2025-08-20T14:33:08Z automatic 1.4 95.2 -39.06 176.04
2025-08-20T14:33:07Z automatic 1.4 95.2 -39.06 176.04
2025-08-20T14:33:03Z automatic 1.4 95.2 -39.06 176.04
2025-08-20T14:33:03Z automatic 1.8 85.0 -38.24 176.29
2025-08-20T14:32:24Z automatic 1.5 85.0 -38.24 176.29