`` The concept of vulnerability expresses the multi-dimensionality of disasters by focusing attention on the totality of relationships in a given social situation which constitute a condition that , in combination with environmental forces , produces a disaster '' .
`` The concept of vulnerability expresses the multidimensionality of disasters by focusing attention on the totality of relationships in a given social situation which constitute a condition that , in combination with environmental forces , produces a disaster '' ( Bankoff et al. 2004 : 11 ) .