Magnitude 1.8, Wed Apr 23 2025 9:01 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


0.01.02.0Magnitude01234567891011Time since earthquake (minutes)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


010Depth (km)01234567891011Time since earthquake (minutes)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
2025-04-22T21:13:50Z best 1.8 4.2 -43.68 171.09
2025-04-22T21:13:50Z preliminary 1.9 4.4 -43.68 171.10
2025-04-22T21:03:44Z preliminary 2.0 4.4 -43.68 171.10
2025-04-22T21:03:14Z automatic 2.0 7.6 -43.69 171.12
2025-04-22T21:03:09Z automatic 2.0 7.6 -43.69 171.12
2025-04-22T21:03:09Z automatic 2.0 7.6 -43.69 171.12
2025-04-22T21:03:00Z automatic 1.7 7.6 -43.69 171.12
2025-04-22T21:02:53Z automatic 1.7 7.6 -43.69 171.12
2025-04-22T21:02:49Z automatic 1.7 8.5 -43.69 171.11
2025-04-22T21:02:44Z automatic 1.7 8.5 -43.69 171.11
2025-04-22T21:02:30Z automatic 1.9 8.5 -43.69 171.11