Magnitude 1.6, Wed Aug 20 2025 11:50 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


0.01.02.03.04.0Magnitude0123456789101112131415Time 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


0100Depth (km)0123456789101112131415Time 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
2025-08-20T12:06:39Z best 1.6 161.6 -37.90 176.16
2025-08-20T12:06:39Z preliminary 2.2 144.2 -37.82 176.00
2025-08-20T11:53:41Z preliminary 2.6 144.2 -37.82 176.00
2025-08-20T11:52:54Z automatic 3.0 75.7 -37.90 175.58
2025-08-20T11:52:53Z automatic 2.9 75.7 -37.90 175.58
2025-08-20T11:52:45Z automatic 2.9 75.7 -37.90 175.58
2025-08-20T11:52:41Z automatic 2.6 75.7 -37.90 175.58