Magnitude 1.6, Fri Jul 18 2025 9:07 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
2025-07-17T21:14:36Z best 1.6 9.4 -41.63 174.21
2025-07-17T21:14:36Z preliminary 1.6 9.2 -41.63 174.21
2025-07-17T21:10:27Z preliminary 1.7 9.2 -41.63 174.21
2025-07-17T21:09:34Z preliminary 1.4 9.2 -41.63 174.21
2025-07-17T21:09:34Z automatic 1.5 14.1 -41.64 174.21
2025-07-17T21:09:32Z automatic 1.5 14.1 -41.64 174.21
2025-07-17T21:09:23Z automatic 1.5 14.1 -41.64 174.21
2025-07-17T21:09:21Z automatic 1.5 14.1 -41.64 174.21
2025-07-17T21:09:16Z automatic 1.5 14.1 -41.64 174.21
2025-07-17T21:08:57Z automatic 1.5 14.1 -41.64 174.21
2025-07-17T21:08:49Z automatic 1.5 13.4 -41.64 174.21
2025-07-17T21:08:40Z automatic 1.5 13.4 -41.64 174.21
2025-07-17T21:08:35Z automatic 1.3 13.4 -41.64 174.21