Earthquakes in the Solomon Islands — December 2025
3 earthquakes were recorded in the Solomon Islands during December 2025, an average of 0.1 per day.
3 reached magnitude 4 or above and 3 reached magnitude 5 or above. The average focal depth was 48 km.
The month's largest event in the Solomon Islands was a magnitude 5.3 earthquake near Kirakira, Solomon Islands on 16 December 2025 at 09:18 UTC. A magnitude 5.3 earthquake radiates roughly 1,344 tons of TNT equivalent in seismic energy.
That is below the the Solomon Islands monthly average of 6 events over the period we cover — a comparatively quiet month, and down from the 4 recorded the previous month.
67% of events here are shallow (under 70 km), 33% intermediate (70–300 km) and 0% deep-focus (over 300 km). A substantial share of intermediate-depth events points to a subducting slab beneath the region rather than purely crustal faulting.
By band, the catalogue holds 3 in the magnitude 5 range.
The month's largest events were M5.3 near Kirakira, Solomon Islands on 16 December at 10 km; M5.1 near Kirakira, Solomon Islands on 01 December at 115 km; M5.0 near Kirakira, Solomon Islands on 21 December at 19 km.
That is 52% below the 6 events the Solomon Islands averages per month across the 21 months on record.
Largest earthquakes in the Solomon Islands, December 2025
3 events listed below, newest first. Times are UTC. Click any column header to re-sort.
| Time (UTC) | Mag | Location | Depth (km) | Country | Details |
|---|---|---|---|---|---|
| 5.3 | Kirakira, Solomon Islands | 10.0 | Solomon Islands | View details View | |
| 5.1 | Kirakira, Solomon Islands | 115.4 | Solomon Islands | View details View | |
| 5.0 | Kirakira, Solomon Islands | 18.9 | Solomon Islands | View details View |
Frequently asked questions
How many earthquakes hit the Solomon Islands in December 2025?
3 earthquakes were recorded in the Solomon Islands during December 2025, of which 3 were magnitude 4 or above.
What was the biggest earthquake in the Solomon Islands in December 2025?
A magnitude 5.3 event near Kirakira, Solomon Islands on 16 December 2025.
Other months in the Solomon Islands
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.