The 1978 Tabas earthquake occurred on September 16 at 19:05:55 local time in central Iran. The shock measured 7.4 on the moment magnitude scale and had a maximum Mercalli intensity of IX+ (Violent). The death toll was in the range of 15,000–25,000, with severe damage occurring in the town of Tabas. Eighty percent of the human deaths occurred in Tabas, but a total of 85 villages were also affected. This seismic force was felt in Tehran, about away. About of ground deformation was observed, with about of maximum slip. Only one significant M5 aftershock occurred. See also List of earthquakes in 1978 List of earthquakes in Iran References External links M7.4 - eastern Iran – United States Geological Survey 1978 Tabas Earthquake History of South Khorasan Province Tabas Earthquake, 1978