Magnitude 1.6, Thu Aug 21 2025 11:26 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


0.01.02.03.0Magnitude01234Time 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


010Depth (km)01234Time 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
2025-08-21T11:30:59Z best 1.6 5.0 -42.70 171.70
2025-08-21T11:28:28Z automatic 2.7 10.1 -42.70 171.75
2025-08-21T11:27:58Z automatic 2.7 10.1 -42.70 171.75
2025-08-21T11:27:51Z automatic 2.7 10.1 -42.70 171.75
2025-08-21T11:27:50Z automatic 2.7 10.1 -42.70 171.75
2025-08-21T11:27:45Z automatic 2.7 10.1 -42.70 171.75
2025-08-21T11:27:39Z automatic 2.7 10.1 -42.70 171.75
2025-08-21T11:27:38Z automatic 2.7 10.1 -42.70 171.75