Magnitude 1.7, Thu Aug 21 2025 1:50 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


0.01.02.03.0Magnitude012345Time 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


01020Depth (km)012345Time 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
2025-08-20T13:56:13Z best 1.7 16.6 -39.42 177.26
2025-08-20T13:52:39Z automatic 1.9 16.6 -39.42 177.13
2025-08-20T13:52:28Z automatic 1.9 16.6 -39.42 177.13
2025-08-20T13:52:26Z automatic 1.9 16.6 -39.42 177.13
2025-08-20T13:52:21Z automatic 1.9 16.6 -39.42 177.13
2025-08-20T13:52:20Z automatic 1.9 16.6 -39.42 177.13
2025-08-20T13:52:20Z automatic 1.9 16.6 -39.42 177.13
2025-08-20T13:52:07Z automatic 2.0 16.6 -39.42 177.13
2025-08-20T13:52:06Z automatic 2.0 16.6 -39.42 177.13
2025-08-20T13:52:06Z automatic 2.0 16.6 -39.42 177.13
2025-08-20T13:52:04Z automatic 2.1 16.6 -39.42 177.13
2025-08-20T13:52:04Z automatic 2.1 16.6 -39.42 177.13
2025-08-20T13:52:03Z automatic 2.1 16.6 -39.42 177.13
2025-08-20T13:52:01Z automatic 2.1 16.6 -39.42 177.13
2025-08-20T13:52:01Z automatic 2.1 16.6 -39.42 177.13
2025-08-20T13:51:53Z automatic 2.1 19.4 -39.42 177.14