A magnitude 7.3 earthquake has struck off the coast of Vanuatu.
The quake was registered about 20 kilometres from the coast of Vanuatu’s capital Port Vila about 12.47pm (AEDT).
There is no tsunami threat to Australia, the Bureau of Meteorology confirmed.
Early data from the United States Geological Survey indicates the quake was registered at a depth of 57 kilometres.
It was not immediately clear whether it caused any damage.
The jolt was followed by a magnitude 5.5 aftershock at the same location.
Vanuatu government websites were offline in the aftermath of the quake.
The USGS warned of tsunami waves for some coasts of Vanuatu.
The group of 80 islands is home to about 330,000 people.
