Magnitude 1.5, Thu Aug 21 2025 1:56 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


0102030Depth (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
2025-08-20T17:10:40Z best 1.5 15.8 -40.14 174.93
2025-08-20T13:59:47Z preliminary 2.1 9.9 -40.13 174.95
2025-08-20T13:58:58Z automatic 2.1 25.0 -40.11 174.92
2025-08-20T13:58:58Z automatic 2.1 25.0 -40.11 174.92
2025-08-20T13:58:54Z automatic 2.1 25.0 -40.11 174.92
2025-08-20T13:58:39Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:28Z automatic 1.9 25.0 -40.11 174.92
2025-08-20T13:58:28Z automatic 1.9 25.0 -40.11 174.92
2025-08-20T13:58:27Z automatic 1.9 25.0 -40.11 174.92
2025-08-20T13:58:24Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:23Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:23Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:22Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:20Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:15Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:15Z automatic 2.0 25.0 -40.11 174.92
2025-08-20T13:58:14Z automatic 2.0 25.0 -40.11 174.92