In 115 AD , during Trajan 's travel there during his war against Parthia , the whole site was convulsed by a huge earthquake . The landscape altered , and the emperor himself was forced to take shelter in the circus for several days . He and his successor restored the city , but the population was reduced to less than 400,000 inhabitants and many sections of the city were abandoned
convulsed by a huge earthquake
115 Antioch earthquake
Antioch