Magnitude 1.8, Thu May 22 2025 1:31 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


0.01.02.0Magnitude0123Time 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


0102030Depth (km)0123Time 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
2025-05-21T17:15:41Z best 1.8 26.5 -39.58 176.89
2025-05-21T13:33:28Z preliminary 1.8 22.7 -39.56 176.90
2025-05-21T13:32:46Z preliminary 1.7 22.7 -39.56 176.90
2025-05-21T13:32:45Z preliminary 1.6 22.7 -39.56 176.90
2025-05-21T13:32:45Z automatic 1.6 21.0 -39.55 176.93
2025-05-21T13:32:45Z automatic 1.6 21.0 -39.55 176.93
2025-05-21T13:32:44Z automatic 1.6 21.0 -39.55 176.93
2025-05-21T13:32:44Z automatic 1.7 21.0 -39.55 176.93
2025-05-21T13:32:32Z automatic 1.7 24.1 -39.56 176.91
2025-05-21T13:32:25Z automatic 1.6 24.1 -39.56 176.91