Magnitude 1.1, Wed May 21 2025 1:54 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


0.01.02.0Magnitude01Time 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


010203040Depth (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
2025-05-20T15:51:09Z best 1.1 37.7 -39.30 176.47
2025-05-20T13:56:49Z preliminary 1.1 35.2 -39.30 176.48
2025-05-20T13:55:39Z automatic 1.6 30.6 -39.28 176.48
2025-05-20T13:55:31Z automatic 1.4 30.6 -39.28 176.48
2025-05-20T13:55:27Z automatic 1.3 30.6 -39.28 176.48
2025-05-20T13:55:19Z automatic 1.1 30.6 -39.28 176.48
2025-05-20T13:55:17Z automatic 1.1 30.6 -39.28 176.48
2025-05-20T13:55:10Z automatic 0.6 30.6 -39.28 176.48