1303 Hongdong Earthquake

The 1303 Hongdong earthquake occurred in China, then part of the Mongol Empire, on September 25. The shock was estimated to have a magnitude of 8.0 and it had a maximum Mercalli intensity of XI (Extreme). With catastrophic damage, it was one of the deadliest recorded earthquakes of all time. In Taiyuan and Pingyang, nearly 100,000 houses collapsed and over 200,000 people died from collapsing buildings and loess caves in a similar manner to the situation that would be experienced 253 years later in the 1556 Shaanxi earthquake (陕西).