Magnitude 0.4, Sun Aug 17 2025 8:54 PM


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


0100Depth (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
2025-08-17T08:58:25Z best 0.4 36.9 -41.05 175.00
2025-08-17T08:58:25Z best 0.4 36.9 -41.05 175.00
2025-08-17T08:56:18Z automatic 1.2 99.8 -40.86 174.98
2025-08-17T08:55:13Z automatic 1.0 99.8 -40.86 174.98