A tsunami warning has been issued after a magnitude 7.8 earthquake was recorded off Papua New Guinea.
The quake, at a depth of six miles (10km) struck 42 miles southwest of Panguna on Bougainville Island, said the US Geological Survey.
The Pacific Tsunami Warning Centre issued a warning for Papua New Guinea and the Solomon Islands.
A 7.3 magnitude earthquake was recorded off the coast of Papua New Guinea on 11 April, but caused no injuries or serious damage.
A tsunami that struck the Solomon Islands in February 2013 killed nine people.