Magnitude 1.8, Thu Jul 31 2025 12:13 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


0.01.02.0Magnitude0123456789101112131415161718Time 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


0100Depth (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
2025-07-31T07:06:21Z best 1.8 146.4 -38.44 175.84
2025-07-30T12:15:54Z preliminary 1.8 138.3 -38.30 175.77
2025-07-30T12:15:38Z preliminary 1.8 138.3 -38.30 175.77
2025-07-30T12:15:13Z automatic 1.3 77.5 -38.78 175.99
2025-07-30T12:15:12Z automatic 1.3 77.5 -38.78 175.99
2025-07-30T12:15:00Z automatic 0.9 77.5 -38.78 175.99
2025-07-30T12:14:59Z automatic 0.9 59.9 -38.76 175.98