A map showing the location of an earthquake that struck near the coast of Port-Olry, Vanuatu, on Aug. 18, 2021. (USGS)
August 18, 2021 Updated: August 18, 2021
The quake was at a depth of 91 km (56 miles) and was about 19 km north-west of Port-Olry, according to the U.S. Geological Survey (USGS). The USGS had initially put the magnitude at 7.1 and the depth at 83.3 km.
The Pacific Tsunami Warning Center said that hazardous waves were possible for coasts located within 300 km of the epicenter.