Magnitude 4.0, Thu Apr 17 2025 11:23 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


0.01.02.03.04.05.0Magnitude01Time since earthquake (weeks)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)01Time since earthquake (weeks)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
2025-05-01T03:40:11Z best 4.0 100.0 -33.56 -178.64
2025-04-17T11:36:14Z best 4.0 100.0 -33.56 -178.74
2025-04-17T11:29:29Z preliminary 4.1 100.0 -33.51 -178.77
2025-04-17T11:27:12Z automatic 2.5 39.4 -37.73 178.20
2025-04-17T11:27:11Z automatic 2.5 39.4 -37.73 178.20
2025-04-17T11:27:09Z automatic 2.4 39.4 -37.73 178.20
2025-04-17T11:27:08Z automatic 2.3 39.4 -37.73 178.20
2025-04-17T11:27:03Z automatic 2.2 39.4 -37.73 178.20
2025-04-17T11:27:00Z automatic 2.1 39.4 -37.73 178.20
2025-04-17T11:26:53Z automatic 2.1 39.4 -37.73 178.20
2025-04-17T11:26:49Z automatic 1.9 39.4 -37.73 178.20
2025-04-17T11:26:23Z automatic 1.7 39.4 -37.73 178.20
2025-04-17T11:26:22Z automatic 1.5 39.4 -37.73 178.20
2025-04-17T11:26:13Z automatic 1.7 39.4 -37.73 178.20