Port-Vila [Vanuatu], A magnitude 6.3 earthquake struck Vanuatu on Sunday, according to the United States Geological Survey (USGS). According to the USGS, the earthquake occurred 83 km NNW of Port-Vila, Vanuatu. The earthquake occurred at a depth of 29.2 kilometers. The earthquake occurred at 9:23 am (local time) on Sunday. The USGS said the earthquake was not expected to generate a tsunami. Damage. Awaiting further details