Magnitude 4.5, Tue Aug 19 2025 6:31 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


0.01.02.03.04.05.0Magnitude0123Time 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


0100200300400Depth (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
2025-08-19T09:56:19Z best 4.5 355.8 -28.79 -177.54
2025-08-19T06:36:27Z preliminary 4.1 335.6 -28.20 -179.15
2025-08-19T06:35:55Z preliminary 4.2 335.6 -28.20 -179.15
2025-08-19T06:35:51Z automatic 2.3 96.1 -37.66 177.70
2025-08-19T06:35:51Z automatic 2.3 96.1 -37.66 177.70
2025-08-19T06:35:48Z automatic 2.2 96.1 -37.66 177.70
2025-08-19T06:35:48Z automatic 2.2 96.1 -37.66 177.70
2025-08-19T06:35:31Z automatic 2.2 96.1 -37.66 177.70
2025-08-19T06:35:31Z automatic 2.2 96.1 -37.66 177.70
2025-08-19T06:35:18Z automatic 1.5 96.1 -37.66 177.70