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Table 2 Physical vulnerability score parameters for buildings

From: Lahar risk assessment from source identification to potential impact analysis: the case of Vulcano Island, Italy

Existance of protection measurements

yes = 0.25

no= 1

     

Number of floors

1= 1

2 or more = 0.75

     

Existance of basement

yes = 1

no= 0.5

     

Existance of window shutters

yes= 0.5

no=1

     

Level of maintainance

poor=1

mixed =0.50

good=0.25

    

Number of openings

>10= 1

10<=>5 = 0.75

5<=>2=0.5

<2=0.25

   

Orientation of the walls

0°-30° =0.25

31°-60°=0.75

61°-90°=1

91°-130°=0.50

   

Typology of Construcion

unreinforced= 1

concrete= 0.50

Reinforced Concrete = 0.25

reinforced wood= 0.75

reinforced tuff= 0.75

  

Walls material

unreinforced= 1

concrete= 0.50

Reinforced Concrete = 0.25

manufactured=1

unreinforced rubble stones=1

manufactured=1

unreinforced rubble stones=1