Magnitude 1.8, Sat Apr 19 2025 10:30 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


0.01.02.0Magnitude01234567Time 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


0100Depth (km)01234567Time 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
2025-04-18T22:38:20Z best 1.8 78.8 -41.15 173.61
2025-04-18T22:36:53Z preliminary 1.9 78.9 -41.15 173.61
2025-04-18T22:32:01Z automatic 1.7 85.9 -41.17 173.63
2025-04-18T22:31:54Z automatic 1.5 85.9 -41.17 173.63
2025-04-18T22:31:51Z automatic 1.8 85.9 -41.17 173.63