Magnitude 4.2, Tue Apr 21 2026 9:23 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


0.01.02.03.04.05.0Magnitude012345Time since earthquake (weeks)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


0100200300Depth (km)012345Time since earthquake (weeks)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
2026-05-28T04:00:20Z best 4.2 174.5 -35.69 178.28
2026-04-21T09:36:58Z best 4.2 176.6 -35.70 178.28
2026-04-21T09:30:58Z preliminary 4.1 181.5 -35.74 178.25
2026-04-21T09:30:58Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:26:17Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:26:15Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:26:13Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:26:11Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:26:06Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:26:05Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:26:01Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:26:00Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:59Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:59Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:59Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:58Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:58Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:57Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:57Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:56Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:25:54Z automatic 3.8 169.0 -35.99 178.06
2026-04-21T09:25:54Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:25:51Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:25:50Z automatic 4.3 288.4 -35.28 178.96
2026-04-21T09:25:49Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:49Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:47Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:46Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:46Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:46Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:44Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:44Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:43Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:43Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:42Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:42Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:41Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:40Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:40Z automatic 4.2 288.4 -35.28 178.96
2026-04-21T09:25:40Z automatic 3.9 222.8 -36.11 178.53
2026-04-21T09:25:39Z automatic 3.9 222.8 -36.11 178.53
2026-04-21T09:25:37Z automatic 3.7 222.8 -36.11 178.53
2026-04-21T09:25:36Z automatic 3.7 222.8 -36.11 178.53
2026-04-21T09:25:35Z automatic 3.8 222.8 -36.11 178.53
2026-04-21T09:25:34Z automatic 3.8 222.8 -36.11 178.53
2026-04-21T09:25:34Z automatic 3.8 222.8 -36.11 178.53
2026-04-21T09:25:33Z automatic 3.8 222.8 -36.11 178.53
2026-04-21T09:25:33Z automatic 3.6 222.8 -36.11 178.53
2026-04-21T09:25:32Z automatic 3.6 222.8 -36.11 178.53
2026-04-21T09:25:32Z automatic 3.6 222.8 -36.11 178.53