Magnitude 1.7, Fri Aug 22 2025 2:39 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


0.01.02.0Magnitude012Time 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


01020Depth (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
2025-08-21T16:40:12Z best 1.7 19.7 -38.97 177.78
2025-08-21T14:40:51Z preliminary 1.7 18.5 -38.96 177.78
2025-08-21T14:40:46Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:45Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:44Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:44Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:39Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:37Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:37Z automatic 1.7 14.8 -38.94 177.73
2025-08-21T14:40:36Z automatic 1.6 14.8 -38.94 177.73
2025-08-21T14:40:31Z automatic 1.6 14.8 -38.94 177.73
2025-08-21T14:40:25Z automatic 1.6 14.8 -38.94 177.73
2025-08-21T14:40:25Z automatic 1.6 14.8 -38.94 177.73
2025-08-21T14:40:25Z automatic 1.6 13.6 -38.94 177.73
2025-08-21T14:40:17Z automatic 1.5 13.6 -38.94 177.73
2025-08-21T14:40:10Z automatic 1.4 13.6 -38.94 177.73
2025-08-21T14:40:05Z automatic 1.3 13.6 -38.94 177.73