Magnitude 1.8, Thu Sep 18 2025 1:41 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


0.01.02.0Magnitude012345Time 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


01020Depth (km)012345Time 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
2025-09-17T13:46:46Z best 1.8 19.7 -40.53 175.70
2025-09-17T13:46:46Z automatic 1.8 21.5 -40.54 175.73
2025-09-17T13:43:05Z automatic 2.0 21.5 -40.54 175.73
2025-09-17T13:43:02Z automatic 1.8 21.5 -40.54 175.73
2025-09-17T13:42:22Z automatic 1.8 21.5 -40.54 175.73
2025-09-17T13:42:16Z automatic 1.7 21.5 -40.54 175.73
2025-09-17T13:41:53Z automatic 1.5 21.5 -40.54 175.73
2025-09-17T13:41:53Z automatic 1.4 21.5 -40.54 175.73