<span style="color: #222222;">A major 7.8 magnitude quake struck off the Fiji coast, the United States Geological Survey (USGS) said, but no tsunami threat was issued.</span><br />'' <span style="color: #222222;"> <br />''The epicentre of the tremor was 102 kilometres southeast of the capital Suva. The USGS said only light shaking would have been felt across the Pacific Ocean archipelago ocean.</span>