Magnitude 1.9, Mon Jul 21 2025 8:51 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
2025-07-21T00:35:36Z best 1.9 5.0 -43.49 171.16
2025-07-20T20:54:07Z preliminary 1.7 5.0 -43.49 171.17
2025-07-20T20:54:07Z automatic 1.8 11.0 -43.50 171.17
2025-07-20T20:53:46Z automatic 1.7 11.0 -43.50 171.17
2025-07-20T20:53:46Z automatic 1.7 9.9 -43.50 171.18
2025-07-20T20:53:14Z automatic 1.6 9.9 -43.50 171.18
2025-07-20T20:53:08Z automatic 1.5 9.9 -43.50 171.18
2025-07-20T20:52:56Z automatic 1.5 9.9 -43.50 171.18
2025-07-20T20:52:56Z automatic 1.5 9.9 -43.50 171.18
2025-07-20T20:52:55Z automatic 1.4 9.9 -43.50 171.18
2025-07-20T20:52:48Z automatic 1.4 9.9 -43.50 171.18
2025-07-20T20:52:47Z automatic 1.4 9.9 -43.50 171.18
2025-07-20T20:52:43Z automatic 1.4 9.9 -43.50 171.18
2025-07-20T20:52:41Z automatic 1.4 11.0 -43.50 171.17
2025-07-20T20:52:35Z automatic 1.4 11.0 -43.50 171.17