Magnitude 1.7, Mon Aug 18 2025 1:02 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


0.01.02.03.0Magnitude01234Time 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)01234Time 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
2025-08-17T13:07:31Z best 1.7 5.0 -43.11 170.95
2025-08-17T13:04:50Z automatic 2.5 5.2 -43.11 170.98
2025-08-17T13:04:46Z automatic 2.3 10.6 -43.10 170.95
2025-08-17T13:04:46Z automatic 2.4 5.2 -43.11 170.98
2025-08-17T13:04:10Z automatic 2.5 5.2 -43.11 170.98