Magnitude 1.6, Tue May 20 2025 2:13 PM


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


0.01.02.0Magnitude02468101214161820222426283032343638404244Time since earthquake (minutes)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


010Depth (km)02468101214161820222426283032343638404244Time since earthquake (minutes)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
2025-05-20T02:58:29Z best 1.6 5.0 -40.43 174.80
2025-05-20T02:16:01Z preliminary 1.7 5.0 -40.43 174.78
2025-05-20T02:15:53Z automatic 1.9 10.1 -40.44 174.73
2025-05-20T02:15:52Z automatic 1.8 10.1 -40.44 174.73
2025-05-20T02:15:45Z automatic 1.7 10.1 -40.44 174.73
2025-05-20T02:15:35Z automatic 1.8 10.1 -40.44 174.73
2025-05-20T02:15:30Z automatic 1.7 10.1 -40.44 174.73
2025-05-20T02:15:10Z automatic 1.6 10.1 -40.44 174.73
2025-05-20T02:14:50Z automatic 1.5 10.1 -40.44 174.73