Magnitude 1.8, Sat Mar 21 2026 5:03 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


0.01.02.03.0Magnitude024681012141618202224262830323436384042Time 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


0100200Depth (km)024681012141618202224262830323436384042Time 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
2026-03-20T16:46:12Z best 1.8 184.3 -37.47 176.48
2026-03-20T16:08:23Z preliminary 1.9 170.3 -37.33 176.32
2026-03-20T16:05:44Z automatic 2.7 248.3 -37.02 176.07
2026-03-20T16:05:43Z automatic 2.7 248.3 -37.02 176.07
2026-03-20T16:05:38Z automatic 2.7 248.3 -37.02 176.07
2026-03-20T16:05:37Z automatic 2.7 248.3 -37.02 176.07
2026-03-20T16:05:33Z automatic 2.5 248.3 -37.02 176.07
2026-03-20T16:05:32Z automatic 2.5 248.3 -37.02 176.07
2026-03-20T16:05:22Z automatic 2.2 248.3 -37.02 176.07
2026-03-20T16:05:21Z automatic 2.2 248.3 -37.02 176.07
2026-03-20T16:05:21Z automatic 2.4 248.3 -37.02 176.07