A three-point-nine magnitude earthquake occured Sunday morning in the southern city of Sangju, in Gyeongsangbuk-do Province.<br />It was the strongest tremor the country has experienced this year.<br />The Korea Meteorological Administration says the quake happened at around eleven-oh-four AM<br />It has been classified as a level four quake,... which is usually strong enough to rattle windows.<br />Emergency authorities received more than 270 reports from those who felt the tremor,... however there have not yet been any reports of injuries or damage. <br />
