<p>The US Geological Survey said the quake occurred at a depth of 45 kilometres, 103 kilometres east of the mountain city of Lae and 326 kilometres north of the capital Port Moresby.<br /><br />Geoscience Australia, which measured the quake at 6.5 magnitude, said it was so close to the coast it was unable to say whether the epicentre was under sea or land.<br /><br />"People very close to it would have got a very, very strong shake, and there's a possibility of damage there right in that vicinity," seismologist David Jepsen told AFP.<br /><br />"And then there's the township of Lae, about 100 kilometres to the west of that event, and there's the possibility there could be some light damage in that major township."<br />But he said that level of quake was common in that region.<br /><br />Papua New Guinea, mired in poverty despite rich mineral deposits, sits on the so-called "Pacific Ring of Fire", a hotspot for seismic activity due to friction between tectonic plates.<br /><br />A giant tsunami in 1998, caused by an undersea earthquake or a landslide, killed more than 2,000 people near Aitape, on the country's northwest coast.</p>
<p>The US Geological Survey said the quake occurred at a depth of 45 kilometres, 103 kilometres east of the mountain city of Lae and 326 kilometres north of the capital Port Moresby.<br /><br />Geoscience Australia, which measured the quake at 6.5 magnitude, said it was so close to the coast it was unable to say whether the epicentre was under sea or land.<br /><br />"People very close to it would have got a very, very strong shake, and there's a possibility of damage there right in that vicinity," seismologist David Jepsen told AFP.<br /><br />"And then there's the township of Lae, about 100 kilometres to the west of that event, and there's the possibility there could be some light damage in that major township."<br />But he said that level of quake was common in that region.<br /><br />Papua New Guinea, mired in poverty despite rich mineral deposits, sits on the so-called "Pacific Ring of Fire", a hotspot for seismic activity due to friction between tectonic plates.<br /><br />A giant tsunami in 1998, caused by an undersea earthquake or a landslide, killed more than 2,000 people near Aitape, on the country's northwest coast.</p>