APPLICATION OF EN-SAW AND ANP MULTI-CRITERIA DECISION MAKING METHODS IN GEOLOGY: REACTIVATION HAZARD ASSESSMENT AND RANKING OF IRANIAN STRATOVOLCANOES AS A CASE STUDY

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KHAYATZADEH A.; ABBASNEJAD A.

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Journal: GEOSCIENCES Year:2017 | Volume:26 | Issue:102 Page(s): 137-146

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Title

APPLICATION OF EN-SAW AND ANP MULTI-CRITERIA DECISION MAKING METHODS IN GEOLOGY: REACTIVATION HAZARD ASSESSMENT AND RANKING OF IRANIAN STRATOVOLCANOES AS A CASE STUDY

Author(s)

KHAYATZADEH A. | ABBASNEJAD A. | Issue Writer Certificate

Keywords

VOLCANIC HAZARDQ1

DECISION MATRIXQ1

SHANON ENTROPYQ1

SAWQ1

ANPQ1

SUPER DECISIONQ1

DAMAVANDQ1

Abstract

Multi-Criteria Decision Making methods have progressed extensively in the past decades and have been applied in various disciplines. Application of them in different fields of geology, especially in assessment of geological hazards which are usually multi-criteria in character, can be very helpful. Studies such as the present study will widen their uses in various fields of geology. Volcanic eruptions in the past centuries attest that stratovolcanoes are more hazardous than other volcanoes and their activity may be disastrous. Hence, in this study, multi-criteria decision making methods of EN-SAW and ANP have been applied to assess and rank the reactivation hazard of Iranian stratovolcanoes (Damavand, Taftan, Bazman, Sahand, Sabalan, Bidkhan and Mesahim) as a case study. So, firstly, the criteria useful in their hazard assessment were selected which include the age of the latest eruption, the presence or absence of tectonic regime creating the volcano, the status of post volcanic activities (e.g. hot springs) and the extent of erosion. Afterwards, they were scored by several experts and lastly, by applying EN-SAW and ANP methods and using SUPER DECISION software, the reactivation hazard scores of these volcanoes were determined and they were ranked. In both these methods, the DAMAVAND volcano ranked first. So, its reactivation potential is higher than other ones and must given the first priority, its threats must be evaluated, its hazard zoning maps should be prepared and (as a kind of monitoring) a seismic station can be established. According to the applied methods, Bazman, Taftan and Sablan volcanoes acquired nearly the same scores. So, ranking after DAMAVAND and it is recommended that they be considered as semi-active (dormant) volcanoes. The condition for Sahand volcano is not clear. However, Bidkhan (in Bardsir town of Kerman) and Masahim (North of Shahrebabak town) both acquired very low scores. So, they are considered as inactive and are not hazardous.

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APA: Copy

KHAYATZADEH, A., & ABBASNEJAD, A.. (2017). APPLICATION OF EN-SAW AND ANP MULTI-CRITERIA DECISION MAKING METHODS IN GEOLOGY: REACTIVATION HAZARD ASSESSMENT AND RANKING OF IRANIAN STRATOVOLCANOES AS A CASE STUDY. GEOSCIENCES, 26(102), 137-146. SID. https://sid.ir/paper/31476/en

Vancouver: Copy

KHAYATZADEH A., ABBASNEJAD A.. APPLICATION OF EN-SAW AND ANP MULTI-CRITERIA DECISION MAKING METHODS IN GEOLOGY: REACTIVATION HAZARD ASSESSMENT AND RANKING OF IRANIAN STRATOVOLCANOES AS A CASE STUDY. GEOSCIENCES[Internet]. 2017;26(102):137-146. Available from: https://sid.ir/paper/31476/en

IEEE: Copy

A. KHAYATZADEH, and A. ABBASNEJAD, “APPLICATION OF EN-SAW AND ANP MULTI-CRITERIA DECISION MAKING METHODS IN GEOLOGY: REACTIVATION HAZARD ASSESSMENT AND RANKING OF IRANIAN STRATOVOLCANOES AS A CASE STUDY,” GEOSCIENCES, vol. 26, no. 102, pp. 137–146, 2017, [Online]. Available: https://sid.ir/paper/31476/en

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