5.0 magnitude earthquake shakes near Port-Olry, Vanuatu on Oct. 31

Published Oct 31, 2026

EAST SANTO, Sanma Province — A 5.0 magnitude quake hit close to Port-Olry on Saturday night, the U.S. Geological Survey reported.

The tremor jolted the area at 11:31 UTC (22:31 local time). It occurred at a depth of 10 km with the epicenter about 196 km northwest of Port-Olry.

Did you feel it?

You can let the USGS know if you experienced the earthquake by filling out their Felt Report form.

Tremors past week

Over the last week, there have been 33 tremors of magnitude 2.5 or higher centered nearby, four of them larger than magnitude 5.5. The largest one was a 6.0 earthquake that was detected in the same region on Oct. 28.

Source: The U.S. Geological Survey