Earthquakes in Vanuatu — October 2025
11 earthquakes were recorded in Vanuatu during October 2025, an average of 0.4 per day.
11 reached magnitude 4 or above and 3 reached magnitude 5 or above. The average focal depth was 167 km.
The month's largest event in Vanuatu was a magnitude 5.7 earthquake near Norsup, Vanuatu on 07 October 2025 at 22:36 UTC. A magnitude 5.7 earthquake radiates roughly 5,351 tons of TNT equivalent in seismic energy.
That is close to the Vanuatu monthly average of 13 events over the period we cover, and down from the 15 recorded the previous month.
18% of events here are shallow (under 70 km), 82% 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 8 in the magnitude 4 range, 3 in the magnitude 5 range.
Activity peaked on 09 October, when 2 events were recorded.
The month's largest events were M5.7 near Norsup, Vanuatu on 07 October at 35 km; M5.1 near Port-Olry, Vanuatu on 25 October at 228 km; M5.0 near Port-Olry, Vanuatu on 02 October at 151 km.
That is 12% below the 13 events Vanuatu averages per month across the 21 months on record.
Largest earthquakes in Vanuatu, October 2025
11 events listed below, newest first. Times are UTC. Click any column header to re-sort.
| Time (UTC) | Mag | Location | Depth (km) | Country | Details |
|---|---|---|---|---|---|
| 5.7 | Norsup, Vanuatu | 35.0 | Vanuatu | View details View | |
| 5.1 | Port-Olry, Vanuatu | 227.5 | Vanuatu | View details View | |
| 5.0 | Port-Olry, Vanuatu | 150.9 | Vanuatu | View details View | |
| 4.8 | Luganville, Vanuatu | 142.6 | Vanuatu | View details View | |
| 4.7 | Isangel, Vanuatu | 260.9 | Vanuatu | View details View | |
| 4.6 | Isangel, Vanuatu | 258.2 | Vanuatu | View details View | |
| 4.6 | Sola, Vanuatu | 125.6 | Vanuatu | View details View | |
| 4.6 | Isangel, Vanuatu | 27.8 | Vanuatu | View details View | |
| 4.5 | Sola, Vanuatu | 240.0 | Vanuatu | View details View | |
| 4.5 | Isangel, Vanuatu | 118.6 | Vanuatu | View details View | |
| 4.2 | Isangel, Vanuatu | 249.4 | Vanuatu | View details View |
Frequently asked questions
How many earthquakes hit Vanuatu in October 2025?
11 earthquakes were recorded in Vanuatu during October 2025, of which 11 were magnitude 4 or above.
What was the biggest earthquake in Vanuatu in October 2025?
A magnitude 5.7 event near Norsup, Vanuatu on 07 October 2025.
Other months in Vanuatu
Magnitudes for October 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.