Magnitude 4.0, Fri Apr 18 2025 5:13 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


0.01.02.03.04.0Magnitude012345678910111213141516Time 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)012345678910111213141516Time 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
2025-04-18T05:30:40Z best 4.0 90.6 -36.31 178.50
2025-04-18T05:16:14Z preliminary 3.7 150.7 -36.39 178.44
2025-04-18T05:16:12Z preliminary 3.7 150.7 -36.39 178.44
2025-04-18T05:16:11Z preliminary 3.7 150.7 -36.39 178.44
2025-04-18T05:16:10Z preliminary 3.8 150.7 -36.39 178.44
2025-04-18T05:15:59Z preliminary 3.7 150.7 -36.39 178.44
2025-04-18T05:15:58Z preliminary 3.8 150.7 -36.39 178.44
2025-04-18T05:15:51Z preliminary 3.8 150.7 -36.39 178.44
2025-04-18T05:15:51Z preliminary 3.9 150.7 -36.39 178.44
2025-04-18T05:15:48Z preliminary 3.9 150.7 -36.39 178.44