The present invention relates to an apparatus and method for predicting the vulnerability of a structure due to a disaster. To this end, the present invention uses a database in which disaster information including the size of each disaster and the degree of damage to each structure due to the disaster for a plurality of disasters occurring in the past is stored, to determine the degree of vulnerability of a specific structure predicted when a specific disaster occurs. An apparatus for determining, comprising: a vulnerability degree curve derivation unit for deriving a vulnerability degree curve for each section for the size of a disaster and the degree of damage to a structure using disaster information of the database; An information input unit for inputting information on a specific disaster size and a specific structure to be predicted; And a vulnerability level calculator that calculates a predicted vulnerability level based on information on a specific disaster size and specific structure input based on the derived vulnerability level curve.
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