Magnitude 1.5, Wed May 21 2025 6:18 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


0.01.02.03.0Magnitude012345Time 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


01234567Depth (km)012345Time 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
2025-05-20T23:40:48Z best 1.5 4.3 -38.56 176.19
2025-05-20T18:20:59Z preliminary 1.4 4.2 -38.56 176.20
2025-05-20T18:19:46Z automatic 1.5 5.1 -38.57 176.21
2025-05-20T18:19:36Z automatic 1.5 5.1 -38.57 176.21
2025-05-20T18:19:28Z automatic 1.6 5.1 -38.57 176.21
2025-05-20T18:19:25Z automatic 1.8 5.1 -38.57 176.21
2025-05-20T18:19:25Z automatic 2.1 5.1 -38.57 176.21