1978_Tabas_earthquake

1978 Tabas earthquake

1978 Tabas earthquake

7.4 Mw earthquake in east-central Iran


The 1978 Tabas earthquake (Persian: زمین‌لرزه ۱۳۵۷ طبس) 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.

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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 610 kilometers (380 mi) away. About 55–85 km (34–53 mi) of ground deformation was observed, with about 1.7 meters (5 ft 7 in) of maximum slip. Only one significant M5 aftershock occurred.[4]

Damage

The earthquake destroyed or severely damaged around 90 villages. The town of Tabas was completely destroyed. Nearly 85% of the population was killed.[6]

60 villages were badly damaged, including Ferdows, where 80 percent of the city was destroyed. Reportedly, two-thirds of Iran, including the capital city of Tehran, felt the earthquake.[7]

Manuel Berberian reported over 20,000 people were killed and 15,000 housing units destroyed.[6]

See also


References

  1. ISC (19 January 2015), ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009), Version 2.0, International Seismological Centre
  2. USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
  3. Berberian, M. (2014), Earthquakes and Coseismic Surface Faulting on the Iranian Plateau, Developments in Earth Surface Processes (1st ed.), Elsevier, p. 609, ISBN 978-0-444-63297-5
  4. Berberian, Manuel (1982). "Afterstock tectonics of the 1978 Tabas-e-Golshan (Iran) earthquake sequence: a documented active 'thin and thick-skinned tectonic' case". Geophys. J. R. astr Soc. 68: 499–530.



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