The U.S. Geological Survey confirmed the quake on its website, placing its epicentre at around 32 kilometres outside the Iraqi city of Halabja, and issuing an "orange" alert for "shaking-related fatalities and economic losses." $ Y7 d, ]6 T' p& t$ j. F' m( x & ~9 T- j! u( `Halabja 附近也是油田之一。 这次地震对已经采空地层的油田有多少影响,也值得关注。