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Authors: karimzadeh, S.*
Miyajima, M.*
Kamel, B.*
Pessina, V.*
Title: A fast topogtaphic charatcterization of seismic station locations in Iran through integrated use of digital elevation models and GIS
Title of journal: Journal of Seismology
Series/Report no.: /19 (2015)
Publisher: Springer Science+Business Media B.V.
Issue Date: 2015
DOI: 10.1007/s10950-015-9505-0
Keywords: Iran
Digital elevation model
Topographic amplification factor
Topographic position index
Abstract: We present topographic slope positions of seismic stations within four independent networks (IGUT, IIEES, GSI, and BHRC) in Iran through integrated use of digital elevation models and GIS. Since topographic amplification factor (TAF) due to ground surface irregularity could be one of the reasons of earthquake wave amplification and unexpected damage of structures located on the top of ridges in many previous studies, the ridge stations in the study area are recognized using topographic position index (TPI) as a spatial-based scale-dependent approach that helps in classification of topographic positions. We also present the correlation between local topographic positions and Vs30 along with Voronoi tiles of two networks (IGUT and IIEES). The obtained results can be profitably used in seismology to establish homogeneous subnetworks based on Voronoi tiles with precise feedback and in the formulation of new ground motion prediction equations with respect to topographic position and topographic amplification factor.
Appears in Collections:04.06.99. General or miscellaneous
Papers Published / Papers in press

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