Today, 75 years ago, on August 15, 1950 (July 2, 1950), Tibet was hit by the largest earthquake in China's history. On August 15, seismologists all over the world were stunned, and all seismologists were stunned by a powerful earthquake and lost their heights. This great earthquake occurred in Tibet, China, adjacent to the state of Asam, India, with a earthquake of magnitude 8.6. The great earthquake caused countless mountain collapse, slopes and dirt streams, and the soil was not enlarged, and on the surface of tens of thousands of square kilometers, an average of 1.1 square meters of material was involved in the displacement. In this great earthquake, about 4,000 people died in both India and India.