Magnitude 4.9, Thu Dec 18 2025 4:54 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


0.01.02.03.04.05.06.0Magnitude0123Time since earthquake (weeks)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


0100200Depth (km)0123Time since earthquake (weeks)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
2026-01-11T05:12:07Z best 4.9 100.0 -20.89 -175.47
2025-12-18T18:58:14Z best 4.7 206.8 -20.35 -175.33
2025-12-18T04:07:48Z preliminary 5.1 100.0 -20.75 -175.57
2025-12-18T04:00:14Z automatic 2.5 44.0 -37.11 177.50
2025-12-18T04:00:14Z automatic 2.5 44.0 -37.11 177.50
2025-12-18T04:00:10Z automatic 2.4 44.0 -37.11 177.50
2025-12-18T04:00:08Z automatic 2.4 44.0 -37.11 177.50
2025-12-18T04:00:07Z automatic 2.4 44.0 -37.11 177.50
2025-12-18T04:00:06Z automatic 2.4 44.0 -37.11 177.50
2025-12-18T04:00:05Z automatic 2.4 44.0 -37.11 177.50
2025-12-18T04:00:00Z automatic 2.3 44.0 -37.11 177.50
2025-12-18T03:59:52Z automatic 2.3 44.0 -37.11 177.50
2025-12-18T03:59:51Z automatic 2.3 44.0 -37.11 177.50
2025-12-18T03:59:50Z automatic 2.3 44.0 -37.11 177.50
2025-12-18T03:59:47Z automatic 2.1 44.0 -37.11 177.50
2025-12-18T03:59:45Z automatic 2.1 44.0 -37.11 177.50
2025-12-18T03:59:25Z automatic 2.1 44.0 -37.11 177.50
2025-12-18T03:59:23Z automatic 2.1 44.0 -37.11 177.50
2025-12-18T03:59:22Z automatic 2.1 44.0 -37.11 177.50
2025-12-18T03:59:22Z automatic 2.0 44.0 -37.11 177.50
2025-12-18T03:59:21Z automatic 2.0 44.0 -37.11 177.50