Magnitude 1.7, Tue Apr 29 2025 9:36 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


0.01.02.03.0Magnitude012345Time 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)012345Time 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
2025-04-28T21:42:29Z best 1.7 3.4 -43.02 171.13
2025-04-28T21:42:29Z preliminary 1.7 3.1 -43.01 171.13
2025-04-28T21:38:56Z preliminary 2.0 3.1 -43.01 171.13
2025-04-28T21:38:12Z automatic 1.8 6.4 -43.02 171.14
2025-04-28T21:38:04Z automatic 1.8 6.4 -43.02 171.14
2025-04-28T21:37:59Z automatic 1.8 6.4 -43.02 171.14
2025-04-28T21:37:43Z automatic 1.8 6.4 -43.02 171.14
2025-04-28T21:37:38Z automatic 1.8 6.4 -43.02 171.14
2025-04-28T21:37:33Z automatic 1.8 9.6 -43.02 171.13