Oct. 21: Earthquake measuring 5.0 shakes region close to Port-Olry, Vanuatu

Published Oct 21, 2026

EAST SANTO, Sanma Province — A 5.0 magnitude quake occurred near Port-Olry on Wednesday morning, the U.S. Geological Survey reported.

The tremor, which struck the area at 18:41 UTC (05:41 local time), was centered roughly 198 km west-northwest of Port-Olry. It occurred at a depth of 10 km.

Did you feel it?

Those who experienced the earthquake are encouraged to report it through the USGS Felt Report form.

Tremors past week

Last week, there have been 21 tremors with a magnitude 2.5 or greater centered nearby, four of them larger than magnitude 5.5. The biggest, a 6.3 magnitude quake, was recorded in the same region on Oct. 20.

Source: The U.S. Geological Survey