Magnitude 2.2, Wed Apr 23 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


0.01.02.03.0Magnitude01Time 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


0100200Depth (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
2025-04-22T17:51:56Z best 2.2 183.0 -38.85 174.97
2025-04-22T16:26:50Z preliminary 2.2 168.4 -38.77 174.82
2025-04-22T16:24:15Z automatic 2.3 144.5 -39.01 175.27
2025-04-22T16:24:07Z automatic 2.5 144.5 -39.01 175.27
2025-04-22T16:24:06Z automatic 1.9 144.5 -39.01 175.27
2025-04-22T16:23:53Z automatic 2.0 144.5 -39.01 175.27