Magnitude 1.7, Sun May 4 2025 2:46 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


0.01.02.03.0Magnitude01234Time 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


020406080Depth (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
2025-05-04T07:19:19Z best 1.7 65.4 -41.78 173.26
2025-05-04T02:52:04Z preliminary 1.8 64.5 -41.77 173.27
2025-05-04T02:52:04Z automatic 1.8 77.5 -41.78 173.25
2025-05-04T02:49:09Z automatic 2.1 77.5 -41.78 173.25
2025-05-04T02:49:09Z automatic 2.1 77.5 -41.78 173.25
2025-05-04T02:48:56Z automatic 1.8 77.5 -41.78 173.25