Update: 5.8 magnitude earthquake detected near Port-Olry, Vanuatu on Oct. 27

Published Oct 27, 2026

EAST SANTO, Sanma Province — A 5.8 magnitude quake occurred close to Port-Olry on Tuesday evening, the U.S. Geological Survey reported.

The tremor struck the area at 08:55 UTC (19:55 local time). It occurred at a depth of 11 km with the epicenter about 196 km northwest of Port-Olry.

Did you feel it?

If you experienced the earthquake, you can share your observations using the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.

Structure information summary

Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist. The predominant vulnerable building types are unknown/miscellaneous types and wood construction.

Quakes last week

During the past week, there have been seven earthquakes of magnitude 5.5 or greater centered nearby. The largest, measuring 7.2, occurred near Sola on Oct. 24.

The five largest nearby tremors in the last week:

• 7.2, west of Sola on Oct. 24
• 6.9, west-northwest of Port-Olry on Oct. 24
• 6.3, northwest of Port-Olry on Oct. 24
• 5.9, northwest of Port-Olry on Oct. 24
• 5.8, northwest of Port-Olry on Oct. 24

Source: The U.S. Geological Survey