Magnitude 1.8, Tue Apr 22 2025 2:49 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


01234567Depth (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
2025-04-21T16:05:49Z best 1.8 4.4 -43.54 171.54
2025-04-21T14:52:18Z preliminary 2.2 4.9 -43.53 171.55
2025-04-21T14:51:28Z automatic 1.8 5.2 -43.55 171.55
2025-04-21T14:51:19Z automatic 1.8 5.2 -43.55 171.55
2025-04-21T14:51:17Z automatic 1.8 5.2 -43.55 171.55
2025-04-21T14:51:03Z automatic 1.8 5.2 -43.55 171.55
2025-04-21T14:50:57Z automatic 1.8 5.2 -43.55 171.56
2025-04-21T14:50:32Z automatic 2.2 5.2 -43.55 171.56