A file picture shows a damaged building following an earthquake in Mendi, Papua New Guinea on February 28, 2018. Image Credit: AP

Sydney: A powerful 6.8-magnitude earthquake hit off the Papua New Guinea coast early Friday, officials said, but there was no tsunami warning or immediate reports of damage.

The quake struck at 3.39am local time (9.39am UAE) at a depth of 15 kilometres about 20 kilometres offshore of the New Ireland town of Taron, the US Geological Survey said.

A spokesman for the Port Moresby-based National Disaster Management Office said there were no immediate reports of damage but regional disaster management teams would carry out assessments later Friday.

“We’ve been in contact with the regional office and they are going out to check it,” he told AFP.

The epicentre was more than 800 kilometres east of the 7.5-magnitude quake that hit the highlands region of the Pacific nation on February 26, killing at least 67 people.

PNG sits on the so-called Pacific Ring of Fire, a hotspot for seismic activity.

Its mountainous and remote terrain means it often takes several days for information about damage from quakes to reach officials and aid agencies.