Magnitude 1.8, Sat Mar 22 2025 9:38 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


0102030Depth (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
2025-03-21T23:40:29Z best 1.8 29.9 -38.88 177.86
2025-03-21T20:41:12Z preliminary 1.7 28.8 -38.88 177.84
2025-03-21T20:41:12Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:34Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:34Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:21Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:21Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:20Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:19Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:19Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:16Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:13Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:13Z automatic 1.7 28.2 -38.87 177.80
2025-03-21T20:40:12Z automatic 1.6 28.2 -38.87 177.80
2025-03-21T20:40:11Z automatic 1.6 28.2 -38.87 177.80
2025-03-21T20:40:11Z automatic 1.6 28.2 -38.87 177.80
2025-03-21T20:40:06Z automatic 1.6 28.2 -38.87 177.80
2025-03-21T20:40:04Z automatic 1.6 28.2 -38.87 177.80
2025-03-21T20:40:02Z automatic 1.4 25.0 -38.87 177.78
2025-03-21T20:39:51Z automatic 1.3 25.0 -38.87 177.78
2025-03-21T20:39:41Z automatic 1.1 25.0 -38.87 177.78
2025-03-21T20:39:38Z automatic 0.8 25.0 -38.87 177.78