Magnitude 1.8, Sat Mar 22 2025 6:21 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 (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


0123456789Depth (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
2025-03-21T20:37:23Z best 1.8 5.0 -43.23 170.90
2025-03-21T17:23:20Z preliminary 2.2 5.0 -43.23 170.90
2025-03-21T17:23:08Z preliminary 2.2 5.0 -43.23 170.90
2025-03-21T17:23:03Z automatic 2.2 5.2 -43.23 170.95
2025-03-21T17:23:00Z automatic 2.2 5.2 -43.23 170.95
2025-03-21T17:23:00Z automatic 2.2 5.2 -43.23 170.95
2025-03-21T17:22:55Z automatic 2.1 5.2 -43.23 170.95
2025-03-21T17:22:48Z automatic 2.1 5.2 -43.23 170.95
2025-03-21T17:22:45Z automatic 2.1 5.2 -43.23 170.95
2025-03-21T17:22:45Z automatic 2.1 5.2 -43.23 170.95
2025-03-21T17:22:42Z automatic 1.9 5.2 -43.23 170.95
2025-03-21T17:22:40Z automatic 1.9 5.2 -43.23 170.95
2025-03-21T17:22:34Z automatic 2.0 5.2 -43.23 170.95
2025-03-21T17:22:32Z automatic 2.0 7.3 -43.22 170.94