Magnitude 1.0, Sat Aug 16 2025 5:16 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


0.01.0Magnitude012345678Time 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)012345678Time 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
2025-08-16T01:20:47Z best 1.0 12.3 -39.49 175.71
2025-08-15T17:23:01Z best 1.0 12.3 -39.49 175.71
2025-08-15T17:20:47Z preliminary 0.8 15.2 -39.43 175.69
2025-08-15T17:18:35Z automatic 0.7 5.9 -39.42 175.53
2025-08-15T17:18:34Z automatic 0.5 5.9 -39.42 175.53