Magnitude 1.8, Tue Aug 19 2025 3:43 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


0.01.02.03.0Magnitude01234Time 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)01234Time 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
2025-08-18T15:47:48Z best 1.8 143.5 -41.25 172.44
2025-08-18T15:47:48Z best 1.8 143.5 -41.25 172.44
2025-08-18T15:44:51Z automatic 2.7 111.0 -41.38 172.67
2025-08-18T15:44:31Z automatic 2.6 111.0 -41.38 172.67