Magnitude 2.2, Wed May 21 2025 8:42 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


0.01.02.03.0Magnitude01234Time 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


01020Depth (km)01234Time 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
2025-05-21T00:50:12Z best 2.2 23.0 -40.58 175.87
2025-05-21T00:47:40Z preliminary 2.2 23.0 -40.58 175.87
2025-05-20T20:43:38Z preliminary 2.2 23.2 -40.57 175.88