The 1976 Tangshan Earthquake struck on July 28, measuring 7.5 on the Richter scale. It occurred in the city of Tangshan, located in northeastern China. The earthquake caused widespread destruction, leveling buildings and infrastructure in the area. The disaster resulted in a significant loss of life, with estimates of casualties ranging from 240,000 to 650,000 people. The event is considered one of the deadliest earthquakes in history. In the aftermath, the Chinese government implemented improved building codes and disaster preparedness measures to mitigate future risks.