On February 11, 2012, between 1:30 and 2:00 pm (local time) the villagers of Xining heard a loud noise. Shortly thereafter villagers recovered around 10 stones in Huangzhoung county, Xining city of Qinghai Province. The total weight of the fall is more than 100 kg. The largest meteorite is 17.3 kg and the second is 12.5 kg. The meteorite fall area includes the villages of Baina, Small Sigou, Yehong, Heergai, and Baiya. The area is 20-30 km in length and 4-5 km in width oriented north-northeast.