Magnitude 1.9, Fri Mar 21 2025 4:42 PM


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


0.01.02.03.0Magnitude0246810121416182022242628303234Time 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


01234567Depth (km)0246810121416182022242628303234Time 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
2025-03-21T04:16:38Z best 1.9 5.0 -43.45 171.14
2025-03-21T03:45:33Z preliminary 1.7 5.0 -43.45 171.15
2025-03-21T03:44:25Z automatic 2.1 5.2 -43.46 171.16
2025-03-21T03:44:10Z automatic 2.0 5.2 -43.46 171.16
2025-03-21T03:44:09Z automatic 2.0 5.2 -43.46 171.16
2025-03-21T03:44:09Z automatic 2.0 5.2 -43.46 171.16
2025-03-21T03:44:06Z automatic 1.9 5.2 -43.46 171.16
2025-03-21T03:43:49Z automatic 1.9 5.2 -43.46 171.16
2025-03-21T03:43:48Z automatic 1.9 5.2 -43.46 171.16
2025-03-21T03:43:48Z automatic 1.9 5.2 -43.46 171.16
2025-03-21T03:43:47Z automatic 1.8 5.2 -43.46 171.16
2025-03-21T03:43:44Z automatic 1.8 5.2 -43.46 171.16
2025-03-21T03:43:39Z automatic 1.8 5.5 -43.45 171.15
2025-03-21T03:43:35Z automatic 1.7 5.5 -43.45 171.15
2025-03-21T03:43:26Z automatic 1.7 5.5 -43.45 171.15