Magnitude 4.8 earthquake strikes 41 km SE of Port-Vila, Vanuatu

A magnitude 4.8 earthquake struck 41 kilometers southeast of Port-Vila, Vanuatu, at 22:33:01 GMT on Tuesday, July 21, 2026. The earthquake originated at a depth of 146.721 kilometers. Its coordinates were recorded at -17.9675 latitude and 168.6204 longitude.

The United States Geological Survey (USGS) reported the seismic event. The USGS continuously monitors earthquake activity globally, measuring various parameters such as magnitude, depth, and location to provide objective data regarding seismic occurrences. Earthquake magnitudes, like the 4.8 recorded in this event, are determined based on the amplitude of seismic waves detected by seismographs.