Magnitude 5.7 quake hits north of Vanuatu

An earthquake with a magnitude of 5.7 has struck northwest of Vanuatu, but there's no immediate tsunami warning or reports of damage or casualties.

The earthquake struck northwest of Vanuatu in the South Pacific. Source: USGS

An earthquake with a magnitude of 5.7 has struck northwest of the South Pacific island nation of Vanuatu, the US Geological Survey says.

The quake on Monday was initially reported with a magnitude of 6.0 but was later downgraded by the USGS. It was recorded at a depth of 20km and was located around 250km northwest of Vanuatu's Santo island, the USGS said.

There was no immediate tsunami warning or any reports of damage or casualties.