Magnitude 0.4, Thu May 22 2025 2:38 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


0.01.02.03.0Magnitude0123Time since earthquake (hours)Magnitude Historyp

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 Historyp

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
2025-05-21T18:22:28Z preliminary 0.4 5.0 -39.29 175.55
2025-05-21T14:42:27Z automatic 2.4 24.5 -38.22 176.47
2025-05-21T14:40:20Z automatic 2.4 24.5 -38.22 176.47
2025-05-21T14:40:17Z automatic 2.6 24.5 -38.22 176.47
2025-05-21T14:40:16Z automatic 2.7 24.5 -38.22 176.47
2025-05-21T14:40:15Z automatic 3.0 24.5 -38.22 176.47