Magnitude 2.8, Tue Aug 18 2026 7:36 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


0.01.02.03.04.0Magnitude0123456789101112Time 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


0100200300Depth (km)0123456789101112Time 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
2026-08-17T19:49:40Z best 2.8 300.0 -34.60 179.08
2026-08-17T19:43:03Z preliminary 2.8 287.6 -34.47 178.98
2026-08-17T19:43:03Z preliminary 3.5 287.6 -34.47 178.98
2026-08-17T19:40:07Z automatic 2.1 78.7 -37.72 177.74
2026-08-17T19:40:03Z automatic 1.8 78.7 -37.72 177.74
2026-08-17T19:39:40Z automatic 1.0 78.7 -37.72 177.74