Magnitude 1.6, Sun Apr 20 2025 8:41 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


0.01.02.03.0Magnitude024681012141618202224262830323436Time 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)024681012141618202224262830323436Time 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
2025-04-20T09:18:59Z best 1.6 5.0 -43.19 170.90
2025-04-20T08:43:45Z preliminary 2.9 5.0 -43.19 170.90
2025-04-20T08:43:23Z automatic 2.4 9.6 -43.14 170.92
2025-04-20T08:43:02Z automatic 2.9 9.6 -43.14 170.92