Magnitude 1.6, Mon Jul 21 2025 6:38 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


0.01.02.0Magnitude0123Time since earthquake (hours)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)0123Time since earthquake (hours)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
2025-07-20T22:34:12Z best 1.6 5.0 -43.36 170.82
2025-07-20T18:41:50Z preliminary 1.6 5.0 -43.36 170.82
2025-07-20T18:40:13Z automatic 1.8 5.9 -43.34 170.89
2025-07-20T18:40:02Z automatic 1.8 5.9 -43.34 170.89
2025-07-20T18:40:00Z automatic 1.8 5.9 -43.34 170.89
2025-07-20T18:39:58Z automatic 1.8 5.9 -43.34 170.89
2025-07-20T18:39:42Z automatic 1.6 5.9 -43.34 170.89
2025-07-20T18:39:39Z automatic 1.6 5.9 -43.34 170.89
2025-07-20T18:39:39Z automatic 1.6 5.9 -43.34 170.89
2025-07-20T18:39:31Z automatic 1.5 5.9 -43.34 170.89
2025-07-20T18:39:27Z automatic 1.5 5.9 -43.34 170.89
2025-07-20T18:39:20Z automatic 1.5 5.9 -43.34 170.89
2025-07-20T18:39:19Z automatic 1.5 5.9 -43.34 170.89
2025-07-20T18:39:19Z automatic 1.5 5.9 -43.34 170.89
2025-07-20T18:39:17Z automatic 1.6 5.9 -43.34 170.89
2025-07-20T18:39:15Z automatic 1.6 12.9 -43.34 170.87