Magnitude 1.9, Wed Apr 23 2025 10:36 PM


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


0.01.02.0Magnitude0123456789101112131415161718Time 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


0100Depth (km)0123456789101112131415161718Time 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
2025-04-23T10:55:00Z best 1.9 140.1 -38.29 175.88
2025-04-23T10:39:58Z preliminary 1.6 140.1 -38.29 175.85
2025-04-23T10:38:17Z automatic 1.8 111.9 -38.70 176.12
2025-04-23T10:38:11Z automatic 1.5 111.9 -38.70 176.12
2025-04-23T10:38:09Z automatic 1.5 111.9 -38.70 176.12
2025-04-23T10:37:46Z automatic 1.4 111.9 -38.70 176.12
2025-04-23T10:37:33Z automatic 1.1 111.9 -38.70 176.12