Magnitude 2.1, Thu Jul 31 2025 9:01 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


0.01.02.03.0Magnitude012345Time since earthquake (minutes)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


01020Depth (km)012345Time since earthquake (minutes)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
2025-07-31T09:07:06Z best 2.1 23.2 -39.17 177.48
2025-07-31T09:04:12Z preliminary 1.8 23.8 -39.17 177.48
2025-07-31T09:03:13Z automatic 1.7 24.1 -39.09 177.42
2025-07-31T09:03:08Z automatic 1.7 24.1 -39.09 177.42
2025-07-31T09:02:59Z automatic 1.6 24.1 -39.09 177.42
2025-07-31T09:02:48Z automatic 1.5 24.1 -39.09 177.42
2025-07-31T09:02:38Z automatic 1.7 24.1 -39.09 177.42