Earthquakes in New Caledonia — December 2025
2 earthquakes were recorded in New Caledonia during December 2025, an average of 0.1 per day.
2 reached magnitude 4 or above and 0 reached magnitude 5 or above. The average focal depth was 10 km.
The month's largest event in New Caledonia was a magnitude 4.9 earthquake near Tadine, New Caledonia on 01 December 2025 at 21:12 UTC. A magnitude 4.9 earthquake radiates roughly 338 tons of TNT equivalent in seismic energy.
That is close to the New Caledonia monthly average of 2 events over the period we cover, and up from the 1 recorded the previous month.
100% of events here are shallow (under 70 km), 0% intermediate (70–300 km) and 0% deep-focus (over 300 km). Almost everything here is crustal. That is characteristic of transform faulting or continental deformation rather than subduction — and it means shaking at the surface is strong for the magnitudes involved.
By band, the catalogue holds 2 in the magnitude 4 range.
The month's largest events were M4.9 near Tadine, New Caledonia on 01 December at 10 km; M4.9 near Tadine, New Caledonia on 26 December at 10 km.
That is 10% above the 2 events New Caledonia averages per month across the 11 months on record.
Largest earthquakes in New Caledonia, December 2025
2 events listed below, newest first. Times are UTC. Click any column header to re-sort.
| Time (UTC) | Mag | Location | Depth (km) | Country | Details |
|---|---|---|---|---|---|
| 4.9 | Tadine, New Caledonia | 10.0 | New Caledonia | View details View | |
| 4.9 | Tadine, New Caledonia | 10.0 | New Caledonia | View details View |
Frequently asked questions
How many earthquakes hit New Caledonia in December 2025?
2 earthquakes were recorded in New Caledonia during December 2025, of which 2 were magnitude 4 or above.
What was the biggest earthquake in New Caledonia in December 2025?
A magnitude 4.9 event near Tadine, New Caledonia on 01 December 2025.
Other months in New Caledonia
Magnitudes for December 2025 reflect the current USGS review status and may have been revised since first publication. See our guides on the magnitude scale, focal depth and why earthquakes cluster.