Magnitude 1.7, Mon Aug 18 2025 1:42 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


0.01.02.0Magnitude012Time 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


010Depth (km)012Time 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
2025-08-17T13:45:06Z best 1.7 10.1 -41.76 174.06
2025-08-17T13:44:17Z automatic 1.6 12.2 -41.74 174.06
2025-08-17T13:44:14Z automatic 1.6 12.2 -41.74 174.06
2025-08-17T13:44:13Z automatic 1.6 12.2 -41.74 174.06
2025-08-17T13:44:10Z automatic 1.6 12.2 -41.74 174.06