Magnitude 1.7, Wed Aug 20 2025 2:16 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


0.01.02.0Magnitude01234Time 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


01234567Depth (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
2025-08-19T14:21:08Z best 1.7 5.0 -43.28 171.16
2025-08-19T14:18:04Z automatic 1.7 5.2 -43.28 171.19
2025-08-19T14:17:58Z automatic 1.7 5.2 -43.28 171.19
2025-08-19T14:17:55Z automatic 1.7 5.2 -43.28 171.19
2025-08-19T14:17:53Z automatic 1.7 5.2 -43.28 171.19
2025-08-19T14:17:53Z automatic 1.7 5.2 -43.28 171.19
2025-08-19T14:17:49Z automatic 1.6 5.2 -43.28 171.19
2025-08-19T14:17:40Z automatic 1.6 5.2 -43.28 171.19
2025-08-19T14:17:34Z automatic 1.6 5.5 -43.29 171.17