Kharazmi Journal of Earth Sciences

Kharazmi Journal of Earth Sciences

Earthquake hazard zoning in Kerman Province using GIS and Fuzzy Logic method

Authors
Payam Ekhlaspour
Ahmad Abbasnejad
Majid Nemati
Department of Geology, Faculty of Science and Earthquake Center of Shahid Bahonar University of Kerman
Abstract
This research is performed to investigate earthquake hazard using Geographical Information System (GIS) and Fuzzy Logic method. First, the necessary factors like active faults; historical, pre-instrumental and instrumental earthquakes; focal mechanism of instrumental earthquakes; geomorphology (elevation and dip), toughness of sediments and active tectonic and also their sub-criteria, which impress earthquake hazard are investigated and changed as information layer in GIS. For the first time, preference of sub- criteria like magnitude and depth of the earthquakes have been regarded. Fuzzy Logic (weighting layers and preferencing them using ArcGIS and Expert Choice software) is applied in earthquake hazard investigation. Finally, in earthquake hazard map of Kerman province, achieved information layers in Arc GIS were merged and various areas (earthquake hazard point of view) were classified to high risk (Kuhbanan, Lakarkuh, Golbaf, Bam, Bardsir and Rigan), moderate risk (Shar-e Babak, Sirjan and Rafsanjan) and low risk (west of the province, Lut and Jazmurian) areas.
Keywords
Kerman province
Earthquake
Zoning
earthquake hazard
Geographic Information System
Fuzzy logic
Subjects
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Kharazmi Journal of Earth Sciences
Volume 7, Issue 2 - Serial Number 14
December 2021
Pages 270-285