On September 19 , 1985 , Radio Fórmula 's headquarters in downtown Mexico City were destroyed by an 8.1 earthquake , which killed several hosts and employees and knocked the AM stations off the air for nearly a month ( the FM stations ' transmitters are based at the Torre Latinoamericana ) . The network later relocated to the Polanco neighborhood in the west part of the city . Journalist Pedro Ferriz de Con , who hosted a morning newscast on XEDF-AM , barely managed to survive and spent over a year hospitalized , whereas Sergio Rod and Gustavo Calderón , morning hosts of XEAI-AM , perished
8.1 earthquake
1985 Mexico City earthquake
Radio Fórmula