The role of geological factors on the destruction of Bam city due to the recent earthquake
Publish place: Journal of Geotechnical Geology، Vol: 3، Issue: 4
Publish Year: 1386
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JGEO-3-4_006
تاریخ نمایه سازی: 30 آبان 1400
Abstract:
On Friday, December ۲۶, ۲۰۰۳ at ۱:۵۵:۵۶ GMT (۵:۲۵:۵۶ local time), a powerful earthquake of moment magnitude (Mw) about ۶.۵ struck the ancient city of Bam and neighboring villages in the southeastern region of Iran. The highest death has been reported for this earthquake among all earthquakes in the world in the year ۲۰۰۳. About ۷۰% of buildings in the city were damaged by the earth quake and more than ۲۶۰۰۰ people were killed. The main reason for such major damage may be weak adobe and brick structures. However, the damage was unexpectedly great for this magnitude. The city is located over low strength of fine grained soils such as silt with low cohesiveness and therefore, this is one of the main reasons for such large-scale destruction by the earthquake. This paper deals with the high damages in the city based on geology, tectonics and directivity of earthquake waves and also geotechnical parameters.
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Authors
Mohammad Ghafoori
Department of Geology, Faculty of Science, Ferdowsi University, Mashhad, Iran
Gholamreza Lashkaripour
Department of Geology, Faculty of Science, Ferdowsi University, Mashhad, Iran
Hossein Sadeghi
Department of Geology, Faculty of Science, Ferdowsi University, Mashhad, Iran
Naser Hafezi-Moghaddas
Department of Geology, Faculty of Basic Science, Technical University of Shahrood, Shahrood, Iran
Ali Hussaini
Department of Geology, Faculty of Science, Ferdowsi University, Mashhad, Iran