Magnitude 1.8, Mon Apr 28 2025 12:52 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


0.01.02.0Magnitude01Time 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


0102030Depth (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
2025-04-28T02:18:36Z best 1.8 25.0 -38.29 178.08
2025-04-28T00:54:26Z preliminary 1.7 25.0 -38.30 178.08
2025-04-28T00:53:52Z automatic 1.7 20.3 -38.28 178.06
2025-04-28T00:53:51Z automatic 1.6 20.3 -38.28 178.06
2025-04-28T00:53:49Z automatic 1.6 20.3 -38.28 178.06
2025-04-28T00:53:47Z automatic 1.6 20.3 -38.28 178.06
2025-04-28T00:53:36Z automatic 1.4 20.3 -38.28 178.06
2025-04-28T00:53:35Z automatic 1.4 20.3 -38.28 178.06