Magnitude 1.8, Fri Apr 18 2025 8:24 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


0.01.02.03.04.0Magnitude01234Time 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


01234567Depth (km)01234Time 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
2025-04-18T00:30:57Z best 1.8 5.0 -43.58 170.57
2025-04-17T20:26:09Z automatic 3.0 5.5 -43.59 170.59
2025-04-17T20:25:52Z automatic 3.0 5.5 -43.58 170.60