Magnitude 1.9, Wed May 21 2025 1:55 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


0.01.02.03.0Magnitude01Time 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)01Time 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
2025-05-20T14:59:43Z best 1.9 4.2 -38.55 176.20
2025-05-20T13:56:35Z preliminary 1.9 4.2 -38.56 176.21
2025-05-20T13:56:30Z preliminary 1.8 4.2 -38.56 176.21
2025-05-20T13:56:29Z automatic 1.8 5.2 -38.56 176.20
2025-05-20T13:56:21Z automatic 1.9 5.2 -38.56 176.20
2025-05-20T13:56:13Z automatic 1.9 5.2 -38.56 176.20
2025-05-20T13:56:03Z automatic 1.9 5.1 -38.56 176.20
2025-05-20T13:56:01Z automatic 1.8 5.1 -38.56 176.20
2025-05-20T13:55:59Z automatic 1.8 5.1 -38.56 176.20
2025-05-20T13:55:58Z automatic 2.0 5.1 -38.56 176.20
2025-05-20T13:55:54Z automatic 2.0 5.1 -38.56 176.20
2025-05-20T13:55:50Z automatic 2.2 5.1 -38.56 176.20
2025-05-20T13:55:49Z automatic 2.4 5.1 -38.56 176.20