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Earthquake Hazard Mapping of the Zayandeh Rood Basin in Iran

机译:Earthquake Hazard Mapping of the Zayandeh Rood Basin in Iran

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摘要

The Zayandeh rood basin in Iran is one of the basins. Earthquake hazard event in the area because of factors such as tectonic plates, faults. Two sets of factors that tectonic boundary plats and fault line characteristic are important that different earthquake occurrences are as important as the potential occurrences. Different earthquakes in Z. R. B. are known as primarily related to: 1) Subduction of Arabian plate beneath the Eurasian plate. 2) The thrust fault and major strike-slip systems active on Z. R. B. Distribution of earthquake in the basin are located on the faults, although they are associated with no risk. And in the Sanadaj-Sirjen Zone as tectonic plate. The Zagros Zone are associated moderate and low earthquake hazards. High-frequency earthquakes occurred in 2004, with a seven-magnitude earthquake (4-3. 6) in 2009, seven-magnitude earthquake (2. 9-3). In this paper a classified analysis of earthquake hazards model is introduced. In this paper, history of earthquake events, magnitudes and type of faults are used as material for classified hazard map. Classification method carried out by using scoring each factors and weighted average. Classification and overlaid layers of vector maps has done in GIS environment. The earthquake hazard map shows five classes of earthquake hazards which range from very high to very low hazard. Very high class of the hazard map is located on the South and North-West of Z. R. B. The classification hazard map is the basis for earthquake in management and land use planning.

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