Magnitude 3.9, Sat Jul 18 2026 12:42 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


0.01.02.03.04.0Magnitude024681012141618202224262830323436384042444648Time 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


010203040Depth (km)024681012141618202224262830323436384042444648Time 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
2026-07-18T01:32:06Z best 3.9 33.0 -33.22 -177.55
2026-07-18T00:48:38Z preliminary 3.7 33.0 -33.22 -177.56
2026-07-18T00:46:05Z automatic 2.0 13.9 -37.81 178.19
2026-07-18T00:45:50Z automatic 1.8 13.9 -37.81 178.19
2026-07-18T00:45:34Z automatic 1.7 13.9 -37.81 178.19
2026-07-18T00:45:08Z automatic 1.5 13.9 -37.81 178.19
2026-07-18T00:44:43Z automatic 1.4 13.9 -37.81 178.19
2026-07-18T00:44:41Z automatic 1.4 13.9 -37.81 178.19
2026-07-18T00:44:35Z automatic 1.3 13.9 -37.81 178.19