Magnitude 1.7, Thu Jul 31 2025 9:21 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


0.01.02.03.0Magnitude012Time 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


0123456789Depth (km)012Time 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
2025-07-31T00:05:00Z best 1.7 5.0 -44.30 168.24
2025-07-30T21:25:48Z preliminary 1.7 5.0 -44.31 168.25
2025-07-30T21:23:56Z automatic 2.5 6.9 -44.38 168.34
2025-07-30T21:22:53Z automatic 2.2 6.9 -44.38 168.34