Magnitude 1.7, Wed Aug 20 2025 2:34 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


0.01.02.0Magnitude01Time 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


010Depth (km)01Time 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
2025-08-19T15:57:34Z best 1.7 5.0 -43.28 171.16
2025-08-19T14:36:35Z preliminary 1.7 5.0 -43.28 171.17
2025-08-19T14:35:28Z automatic 1.8 5.2 -43.29 171.19
2025-08-19T14:35:27Z automatic 1.7 5.2 -43.29 171.19
2025-08-19T14:35:23Z automatic 1.7 5.2 -43.29 171.19
2025-08-19T14:35:16Z automatic 1.7 5.2 -43.29 171.19
2025-08-19T14:35:08Z automatic 1.8 10.6 -43.28 171.17