Magnitude 0.4, Sat Jun 21 2025 3:40 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


0.01.02.0Magnitude012345Time 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


01020Depth (km)012345Time 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
2025-06-21T09:14:57Z best 0.4 19.0 -39.23 175.35
2025-06-21T03:43:54Z preliminary 0.4 17.9 -39.23 175.35
2025-06-21T03:43:39Z preliminary 0.5 16.1 -39.23 175.34
2025-06-21T03:41:58Z automatic 0.8 5.5 -39.21 175.38
2025-06-21T03:41:57Z automatic 1.0 5.5 -39.21 175.38
2025-06-21T03:41:48Z automatic 0.7 5.5 -39.21 175.38