Magnitude 1.8, Fri Aug 22 2025 10:47 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


0.01.02.03.0Magnitude01234Time 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)01234Time 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
2025-08-21T22:51:54Z best 1.8 74.4 -41.53 172.99
2025-08-21T22:49:38Z automatic 2.3 76.6 -41.57 172.96
2025-08-21T22:49:21Z automatic 2.2 76.6 -41.57 172.96
2025-08-21T22:49:20Z automatic 2.1 76.6 -41.57 172.96
2025-08-21T22:48:50Z automatic 2.0 76.6 -41.57 172.96
2025-08-21T22:48:49Z automatic 2.0 76.6 -41.57 172.96
2025-08-21T22:48:48Z automatic 2.0 76.6 -41.57 172.96
2025-08-21T22:48:48Z automatic 2.0 76.6 -41.57 172.96
2025-08-21T22:48:46Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:37Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:37Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:36Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:35Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:34Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:26Z automatic 1.8 76.6 -41.57 172.96
2025-08-21T22:48:21Z automatic 1.8 61.7 -41.51 172.93
2025-08-21T22:48:10Z automatic 1.6 61.7 -41.51 172.93