Magnitude 1.8, Thu Apr 17 2025 3:50 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


0.01.02.03.0Magnitude01Time 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


0100Depth (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
2025-04-16T17:36:45Z best 1.8 141.1 -40.55 173.40
2025-04-16T15:54:49Z preliminary 2.1 138.9 -40.65 173.36
2025-04-16T15:52:24Z automatic 2.0 92.4 -41.01 173.42
2025-04-16T15:52:24Z automatic 2.0 92.4 -41.01 173.42
2025-04-16T15:52:18Z automatic 2.1 92.4 -41.01 173.42