Magnitude 3.8, Mon Apr 21 2025 11:24 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


0.01.02.03.04.05.0Magnitude012Time 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


0100200300Depth (km)012Time 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
2025-04-21T14:09:16Z best 3.8 182.7 -30.49 -178.92
2025-04-21T11:31:27Z preliminary 4.5 300.0 -30.49 -178.46
2025-04-21T11:30:13Z automatic 2.4 9.6 -39.07 177.20
2025-04-21T11:30:12Z automatic 2.4 9.6 -39.07 177.20
2025-04-21T11:30:02Z automatic 2.5 9.6 -39.07 177.20
2025-04-21T11:30:00Z automatic 2.4 9.6 -39.07 177.20
2025-04-21T11:29:44Z automatic 2.4 9.6 -39.07 177.20