Magnitude 1.8, Thu Jul 31 2025 12:19 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


0.01.02.03.0Magnitude0123456789101112131415161718Time 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


010203040Depth (km)0123456789101112131415161718Time 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
2025-07-31T07:09:04Z best 1.8 22.7 -42.01 173.72
2025-07-30T12:20:33Z preliminary 2.1 16.5 -42.00 173.68
2025-07-30T12:20:30Z preliminary 2.0 16.5 -42.00 173.68
2025-07-30T12:20:19Z preliminary 2.1 16.5 -42.00 173.68
2025-07-30T12:20:15Z automatic 2.0 38.9 -42.01 173.71