SYDNEY, Australia (AFP) — A 6.0-magnitude earthquake struck off the Solomon Islands on Sunday, the US Geological Survey said, the third strong tremor off the Pacific nation in less than two weeks. The quake hit at 4.46pm (0546 GMT) at a depth of 39 kilometres (24 miles) about 83 kilometres west-northwest of Kirakira, the USGS added. On December 10 a 6.9-magnitude quake struck off Kirakira. The previous day a 7.7-magnitude tremor triggered severe shaking […]