SYDNEY, Australia (AFP) — A powerful 7.5-magnitude earthquake struck Papua New Guinea early Monday, with unconfirmed reports of blackouts and damage to buildings, officials said. The quake’s epicentre was around 90 kilometres (55 miles) south of Porgera in Enga province, according to the US Geological Survey, and hit at a depth of 35 kilometres. The quake hit PNG’s mountainous interior and US scientists said there was no tsunami threat. Felix Taranu, a seismologist at the […]