Magnitude 1.0, Mon Aug 18 2025 2:22 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


0.01.02.0Magnitude0123456Time 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)0123456Time 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
2025-08-17T14:28:27Z best 1.0 10.9 -41.76 174.06
2025-08-17T14:23:51Z preliminary 1.0 10.0 -41.76 174.05
2025-08-17T14:23:34Z preliminary 0.9 10.0 -41.76 174.05
2025-08-17T14:23:25Z automatic 0.7 11.7 -41.74 174.06
2025-08-17T14:23:22Z automatic 0.7 11.7 -41.74 174.06
2025-08-17T14:23:10Z automatic 0.7 11.7 -41.74 174.06
2025-08-17T14:22:57Z automatic 0.7 10.8 -41.74 174.06
2025-08-17T14:22:44Z automatic 0.7 10.8 -41.74 174.06