Architectural Heritage at Risk: Historical Churches of East Azerbaijan

Document Type : Original Research Article

Authors

Department of Strengthening Historical Monuments, Faculty of Architecture and Urbanism, Tabriz Islamic Art University, Iran

Abstract
Problem statement: Iran, with its valuable architectural heritage, is situated in one of the most seismically active regions of the world; therefore, special attention is required to ensure the protection of its historical buildings. East Azerbaijan Province, in the northwest of the country, with its prominent historical churches, represents a clear example of this necessity. Studies indicate that out of forty-nine identified churches in this province, only thirteen remain standing, while the majority have been damaged or destroyed due to natural and human-induced factors.
Research objective: This study aims to assess the safety and analyze the seismic vulnerability of eight selected historical churches in the province and to develop a prioritized list for their conservation.
Research method: The research adopts a comparative mixed-methods approach, combining qualitative and quantitative methods to ensure the accuracy of the results. Qualitative assessment was conducted on-site using Italian conservation guidelines, while quantitative evaluation was carried out using the 3Muri software to simulate the behavior of masonry walls.
Conclusion: The findings indicate that the seismic safety index of the churches is less than one, demonstrating the vulnerability of these historical structures to seismic events and highlighting the urgent need for intervention and the implementation of appropriate conservation measures. A comparison of qualitative and quantitative assessment outputs revealed that the qualitative approach is more conservative than the quantitative method. Therefore, this study emphasizes the importance of integrating both qualitative and quantitative approaches in a comprehensive assessment process to guide sustainable conservation strategies for national architectural heritage.

Keywords

Subjects
Abdollahzadeh, G., Sazjini, M., Shahaky, M., Tajrishi, F. Z., & Khanmohammadi, L. (2014). Considering potential seismic sources in earthquake hazard assessment for northern Iran. Journal of Seismology, 18(2), 357–369.
Arakelyan, V. (1996). History and process of formation of Armenian religious buildings in Iran. In Proceedings of the Congress of the History of Architecture and Urban Planning of Iran (Vol. 3). Cultural Heritage Organization of the Country.
Betti, M., & Galano, L. (2012). Seismic assessment of existing masonry buildings: Experimental techniques and numerical modeling. Springer.
Catholic Church in Islamic Republic of Iran (Iran). (2026). Gcatholic. https://gcatholic.org/dioceses/country/IR 
Consiglio Superiore dei Lavori Pubblici. (2019). NTC 2018: Aggiornamento delle “Norme Tecniche per le Costruzioni” – Circolare esplicativa C8.5.1. Rome, Italy. 
Forsyth, M. (Ed.). (2008). Materials & skills for historic building conservation. Blackwell Pub.
Gere, J. M., & Timoshenko, S. P. (1997). Mechanics of materials (4th ed.). PWS Publishing Company.
Gharehayaghi, S., Akhoundi, F., & Nami, S. (2025). Conservation of Armenian heritage in East Azerbaijan according to Italian guidelines: A Case Study of St. Sarkis Church in Tabriz. Armanshahr Architecture & Urban Development, 18(52), 41–56. https://doi.org/10.22034/aaud.2023.344334.2676
Gholami, S., & Akhoundi, F. (2023). The seismic safety assessment of historical houses of Tabriz based on Italian DPCM Guidelines; Case Study: Ali Monsieur House. Armanshahr Architecture & Urban Development, 16(44), 211–222. https://doi.org/ 10.22034/aaud.2023.344334.2676
Hoviyan, A. (2003). کلیساهای ارمنیان ایران [Armenian churches of Iran]. National Cultural Heritage Organization .
Karang, A. A. (1972). Ancient monuments of Azerbaijan. National Monuments Association.
Lourenço, P. B. (2002). Computations on historic masonry structures. Progress in Structural Engineering and Materials, 4(3), 301–319. https://doi.org/10.1002/pse.120
Malekmian, L. (2001). Armenian churches of Iran. Cultural Research Office. 
Noortman, F. J. (2019). Applicability of the pushover method for the seismic assessment of URM structures in Groningen: A case study of a low-rise apartment building [Master’s thesis, Delft University of Technology]. TU Delft Repository. https://resolver.tudelft.nl/uuid:9360717d-c892-4393-b5f3-968fa1db9c3c 
Permanent Committee for Revising the Iranian Code of Practice for Seismic Resistant Design of Buildings. (2014). Iranian code of practice for seismic resistant design of buildings (4th ed., Standard No. 2800). Building and Housing Research Center (BHRC).
Presidente del Consiglio dei Ministri. (2011). Valutazione e riduzione del rischio sismico del patrimonio culturale con riferimento alle Norme tecniche per le costruzioni di cui al decreto del Ministero delle infrastrutture e dei trasporti del 14 gennaio 2008 (Direttiva n. 11A02374). Gazzetta Ufficiale della Repubblica Italiana, n. 47, Suppl. Ordinario n. 54. https://www.gazzettaufficiale.it/eli/id/2011/02/26/11A02374/sg
Shojadel, N. (2005). A review of Armenian churches in East Azerbaijan Province. Peyman Cultural Quarterly, (34).
Simoni, P., & Hojat, I. (2021). Contextual analysis of church architecture; Centralism: A characteristic feature of Eastern church architecture. Journal of Fine Arts: Architecture & Urban Planning, 25(4), 5–16. https://jfaup.ut.ac.ir/article_76366.html?lang=en