Magnitude 1.8, Fri Jul 18 2025 11:57 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


0.01.02.03.0Magnitude01Time 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


0100200Depth (km)01Time 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
2025-07-18T01:39:36Z best 1.8 165.4 -39.69 174.12
2025-07-18T00:00:17Z preliminary 2.4 182.7 -39.98 174.09
2025-07-18T00:00:04Z preliminary 2.2 182.7 -39.98 174.09
2025-07-17T23:59:58Z preliminary 2.1 182.7 -39.98 174.09