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