Magnitude 3.9, Sat Aug 16 2025 3:41 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


0.01.02.03.04.0Magnitude0246810121416182022242628303234Time 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


0100200300400500600700Depth (km)0246810121416182022242628303234Time 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
2025-08-15T16:16:34Z best 3.9 500.0 -24.43 -179.73
2025-08-15T15:53:05Z preliminary 4.0 600.0 -24.61 -178.40
2025-08-15T15:47:13Z automatic 2.2 98.0 -39.03 175.20
2025-08-15T15:47:11Z automatic 2.1 98.0 -39.03 175.20
2025-08-15T15:47:03Z automatic 2.0 98.0 -39.03 175.20
2025-08-15T15:46:59Z automatic 1.9 98.0 -39.03 175.20
2025-08-15T15:46:56Z automatic 1.9 98.0 -39.03 175.20
2025-08-15T15:46:55Z automatic 1.5 98.0 -39.03 175.20
2025-08-15T15:46:52Z automatic 1.5 98.0 -39.03 175.20