At least 61 people were killed and more than 300 others were hurt in a powerful earthquake on the Iran-Iraq border region Sunday, Iranian officials revealed. The quake had a magnitude of 7.3, the U.S. Geological Survey (USGS) announced, as reports of serious structural damage started to emerge. At least six of the deaths were on Iraq's side of the border, Iranian state media reported. On its website, the USGS placed the quake's epicenter at about 18.6 miles southwest of the Iraqi city of Halabja. The USGS also issued an "orange" alert for "shaking-related fatalities and economic losses."