SINGAPORE (Reuters) - An earthquake of magnitude 6 struck north of the South Pacific island nation of Vanuatu on Tuesday, the United States Geological Survey (USGS) said.

There was no immediate tsunami warning or any reports of damage or casualties from the quake, which hit at a depth of 73 km (47 miles) about 474 km (295 miles) north of Vanuatu’s island of Santo, the USGS said.