Magnitude 3.3, Mon Aug 18 2025 12:52 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


0.01.02.03.04.0Magnitude012Time 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)012Time 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
2025-08-17T15:41:07Z best 3.3 100.0 -33.59 -178.90
2025-08-17T12:57:51Z preliminary 3.8 185.2 -33.68 -179.27
2025-08-17T12:57:50Z preliminary 3.7 185.2 -33.68 -179.27
2025-08-17T12:56:10Z automatic 2.0 33.8 -37.76 178.21
2025-08-17T12:56:08Z automatic 2.0 33.8 -37.76 178.21
2025-08-17T12:56:06Z automatic 1.9 33.8 -37.76 178.21