Magnitude 4.3, Tue Apr 22 2025 4:21 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


0.01.02.03.04.05.06.0Magnitude01Time 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


0100200300400500600700Depth (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
2025-04-21T17:34:12Z best 4.3 500.0 -24.98 179.21
2025-04-21T16:26:10Z preliminary 5.1 600.0 -24.56 -179.41
2025-04-21T16:25:34Z automatic 1.8 73.8 -37.57 177.76
2025-04-21T16:25:22Z automatic 1.8 73.8 -37.57 177.76