Tangshan suffered an earthquake of magnitude 7.8 (7.5 according to official reports) at 3:42am on July28, 1976, which resulted in many casualties. The official death toll was 255,000, but many experts believe that the actual number of fatalities was two to three times that number, making it the most destructive earthquake in modern history. As a result of the earthquake, most of the town had to be rebuilt. The earthquake was depicted in the 2010 movie "Aftershock".