Magnitude 1.9, Mon Aug 18 2025 10:02 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


0.01.02.03.0Magnitude012345Time 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


0102030Depth (km)012345Time 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
2025-08-17T22:07:29Z best 1.9 16.3 -41.61 174.77
2025-08-17T22:07:29Z best 1.9 16.3 -41.61 174.77
2025-08-17T22:04:39Z automatic 2.0 26.4 -41.54 174.80
2025-08-17T22:04:14Z automatic 1.7 26.4 -41.54 174.80
2025-08-17T22:03:50Z automatic 1.8 26.4 -41.54 174.80
2025-08-17T22:03:42Z automatic 1.8 26.4 -41.54 174.80
2025-08-17T22:03:35Z automatic 1.8 26.4 -41.54 174.80
2025-08-17T22:03:32Z automatic 1.8 26.4 -41.54 174.80
2025-08-17T22:03:24Z automatic 1.8 26.4 -41.54 174.80
2025-08-17T22:03:23Z automatic 1.8 26.4 -41.54 174.80