Magnitude 4.8, Thu Apr 17 2025 9:23 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


0.01.02.03.04.05.0Magnitude01234567891011121314Time since earthquake (minutes)Magnitude Historyp

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)01234567891011121314Time since earthquake (minutes)Depth Historyp

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
2025-04-16T21:37:59Z preliminary 4.8 600.0 -19.74 -177.81
2025-04-16T21:37:53Z preliminary 4.0 600.0 -19.74 -177.81
2025-04-16T21:29:41Z automatic 2.9 60.8 -36.88 176.39
2025-04-16T21:29:25Z automatic 2.8 60.8 -36.88 176.39
2025-04-16T21:29:23Z automatic 2.8 60.8 -36.88 176.39
2025-04-16T21:29:10Z automatic 2.4 60.8 -36.88 176.39