Magnitude 1.8, Sun Apr 20 2025 9:44 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


0.01.02.03.0Magnitude012345678910111213Time 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)012345678910111213Time 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
2025-04-20T09:58:16Z best 1.8 5.0 -43.20 170.89
2025-04-20T09:58:16Z preliminary 1.8 5.0 -43.20 170.89
2025-04-20T09:46:25Z preliminary 1.9 5.0 -43.20 170.89
2025-04-20T09:46:21Z automatic 2.3 9.2 -43.14 170.98
2025-04-20T09:45:58Z automatic 1.9 9.2 -43.14 170.98