An earthquake originally measutred as magnitude 7.1 has struck 135 km east of the town of Rabaul, on the eastern tip of Papua New Guinea's island of New Britain.
Although the quake, which struck at 6.39am (NZT) today, was under the seabed at a relatively shallow depth of 10km, the Pacific Tsunami Warning Center said there was no threat of a tsunami. Updates from the US Geological Survey has the quake at 6.8 magnitude.
A quake of magnitude 7.5 struck the rugged highlands of the Papua New Guinea mainland on February 26, killing more than 100 people.
- AAP