Magnitude 1.8, Fri Jul 18 2025 9:46 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


0.01.02.03.0Magnitude0123Time 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


0102030Depth (km)0123Time 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
2025-07-17T21:49:09Z best 1.8 25.3 -39.39 176.95
2025-07-17T21:49:09Z preliminary 1.8 25.1 -39.39 176.94
2025-07-17T21:47:53Z preliminary 1.9 25.1 -39.39 176.94
2025-07-17T21:47:13Z automatic 1.9 22.7 -39.41 176.93
2025-07-17T21:47:08Z automatic 1.9 22.7 -39.41 176.93
2025-07-17T21:47:04Z automatic 1.9 22.7 -39.41 176.93
2025-07-17T21:46:58Z automatic 1.9 22.7 -39.41 176.93
2025-07-17T21:46:57Z automatic 2.0 22.7 -39.41 176.93