Magnitude 1.9, Thu Aug 21 2025 1:07 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


0.01.02.03.0Magnitude0123Time 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)0123Time 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
2025-08-20T16:25:18Z best 1.9 102.3 -45.10 167.43
2025-08-20T13:10:46Z preliminary 2.4 103.1 -45.07 167.34
2025-08-20T13:10:04Z automatic 2.3 83.1 -45.17 167.64
2025-08-20T13:10:00Z automatic 2.3 83.1 -45.17 167.64