Natural Hazards

, Volume 17, Issue 1, pp 77–97

Slope Instability Zonation: a Comparison Between Certainty Factor and Fuzzy Dempster–Shafer Approaches

  • E. Binaghi
  • L. Luzi
  • P. Madella
  • F. Pergalani
  • A. Rampini


This paper presents a comparison between two methodologies for the evaluation of slope instability and the production of instability maps, using a probabilistic approach and a hybrid possibilistic and credibilistic approach. The first is the Certainty Factor method, and the second is based on Fuzzy Logic integrated with the Dempster–Shafer theory. These methodologies are applied to the 1 : 50,000 scale Fabriano (Marche, Italy) geological map sheet. The results are represented as histograms where the accuracy of the prediction is shown, and the comparison of the results of the methods is discussed.

landslide instability certainty factor fuzzy logic Dempster–Shafer theory geographic information system 


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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • E. Binaghi
    • 1
  • L. Luzi
    • 2
  • P. Madella
    • 1
  • F. Pergalani
    • 2
  • A. Rampini
    • 1
  1. 1.Istituto per le Tecnologie Informatiche Multimediali, Consiglio Nazionale delle RicercheMilanItaly
  2. 2.Istituto di Ricerca sul Rischio Sismico, Consiglio Nazionale delle RicercheMilanItaly

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