Magnitude 1.8, Mon Mar 31 2025 6:03 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


0.01.02.0Magnitude01234Time 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


0102030Depth (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
2025-03-30T21:04:53Z best 1.8 27.9 -38.99 177.82
2025-03-30T17:04:37Z preliminary 1.7 26.4 -38.99 177.83
2025-03-30T17:04:35Z preliminary 1.7 26.4 -38.99 177.83
2025-03-30T17:04:34Z automatic 1.6 20.3 -38.96 177.78
2025-03-30T17:04:29Z automatic 1.6 20.3 -38.96 177.78
2025-03-30T17:04:28Z automatic 1.6 20.3 -38.96 177.78
2025-03-30T17:04:27Z automatic 1.6 20.3 -38.96 177.78
2025-03-30T17:04:27Z automatic 1.4 20.3 -38.96 177.78
2025-03-30T17:04:23Z automatic 1.4 20.3 -38.96 177.78
2025-03-30T17:04:18Z automatic 1.4 20.3 -38.97 177.77
2025-03-30T17:04:09Z automatic 1.2 20.3 -38.97 177.77
2025-03-30T17:04:03Z automatic 1.2 20.3 -38.97 177.77