Analyzing safety and resilience of the lifeline networks during the earthquake sequence

Zhamak Monazami Tehrani (), Ghazaleh Monazami Tehrani (), Arezou Dorostian (), Bahram Akashe () and Mahmoud Almasian ()
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Zhamak Monazami Tehrani: Islamic Azad University
Ghazaleh Monazami Tehrani: Shahid Beheshti University of Medical Sciences
Arezou Dorostian: Islamic Azad University
Bahram Akashe: Islamic Azad University
Mahmoud Almasian: Islamic Azad University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2025, vol. 121, issue 7, No 13, 8109 pages

Abstract: Abstract Analyzing and assessing the vulnerability of structures and infrastructures is a crucial method for assessing the resilience of an area in the event of an earthquake. The objective of this study was to examine seismic analysis and assess the functionality of essential networks during earthquake events with a focus on resilience. The Probabilistic Seismic Hazard Analysis (PSHA) was employed for seismic hazard assessment, while EZ-Frisk software was utilized for seismic hazard analysis. Additionally, ZMAP software was utilized to pinpoint and predict future earthquakes and safe areas, considering the specific local seismic tectonic conditions. Geographic Information System (GIS) were used to identify high-risk areas and resilience level of the lifeline networks. Through modeling and research efforts, the study estimated the maximum displacement and acceleration in the area to be around 68 cm and 0.75 Gal subsequently. The findings indicated that the earthquake epicenter in the Sarpol Zahab area is projected to be situated to the north of point Area A, with the highest levels of sensitivity and vulnerability identified in the central and northeastern sectors of the study area. In the examination of the region’s infrastructure, an analysis of lifeline network maps revealed that the most sensitive and vulnerable zones are located in the Sarpol Zahab province and to the north of Shahin Ghalee. The study’s outcomes underscore the importance of focusing on high-risk vulnerable areas and prioritizing the development of safe structures and infrastructures in these identified regions. Additionally, the examination of earthquake sequences in seismic-prone areas can help pinpoint infrastructure and safety issues, particularly concerning infrastructures. Addressing these concerns can mitigate problems and reduce the occurrence of accidents resulting from earthquakes.

Keywords: Seismic analysis; EZ-Frisk; ZMAP software; Lifeline networks; Resilience (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s11069-024-07047-5

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