Magnitude 1.8, Fri Mar 21 2025 7:16 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


0.01.02.03.0Magnitude01234567891011Time 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


0100Depth (km)01234567891011Time 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
2025-03-21T06:27:34Z best 1.8 87.0 -37.06 177.38
2025-03-21T06:18:57Z preliminary 2.1 21.5 -36.82 177.20
2025-03-21T06:18:45Z automatic 2.4 33.8 -37.64 177.42
2025-03-21T06:18:36Z automatic 2.2 33.8 -37.64 177.42
2025-03-21T06:18:31Z automatic 1.9 33.8 -37.64 177.42
2025-03-21T06:18:30Z automatic 1.9 33.8 -37.64 177.42
2025-03-21T06:18:06Z automatic 1.7 33.8 -37.64 177.42
2025-03-21T06:18:05Z automatic 1.7 33.8 -37.64 177.42
2025-03-21T06:17:58Z automatic 1.4 33.8 -37.64 177.42
2025-03-21T06:17:55Z automatic 1.4 33.8 -37.64 177.42
2025-03-21T06:17:54Z automatic 1.4 33.8 -37.64 177.42
2025-03-21T06:17:50Z automatic 1.3 33.8 -37.64 177.42
2025-03-21T06:17:47Z automatic 1.3 33.8 -37.64 177.42
2025-03-21T06:17:45Z automatic 1.3 33.8 -37.64 177.42
2025-03-21T06:17:38Z automatic 1.3 33.8 -37.64 177.42
2025-03-21T06:17:34Z automatic 1.3 33.8 -37.64 177.42