August 15, 1950 (the first two days of July GY), Motuo China's largest ever earthquake occurred.

8, 15, seismologists around the world are stunned, All seismographs powerful seismic waves excited over the maximum limit and failure. The massive quake took place in adjoining Assam, India, China Motuo earthquakes up to 8.6 on the Richter magnitude. The earthquake triggered the countless at mountain collapse, landslides and mudslides, Medog earth beyond recognition, in the tens of thousands of square kilometers on the ground, the average per square meter area of ​​1.1 m2 substances involved in a slip. , China and India, about 4,000 people died in the earthquake.