Magnitude 5.5, Sat May 31 2025 9:30 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


0.01.02.03.04.05.06.0Magnitude0246810121416182022242628303234363840424446Time since earthquake (minutes)Magnitude Historyp

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)0246810121416182022242628303234363840424446Time since earthquake (minutes)Depth Historyp

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
2025-05-30T22:16:56Z preliminary 5.5 100.0 -21.18 -175.16
2025-05-30T21:45:08Z automatic 2.3 47.8 -40.91 174.02
2025-05-30T21:37:06Z automatic 2.3 47.8 -40.91 174.02