The factors relating to the spread of fires from fire- resistant buildings to adjacent buildings during the Hyogo-ken Nambu earthquake were analyzed from the following perspectives. 1. Relationships between the extent of fire damage and seismic damage to building structures, and between the characteristics, including building use, of the buildings of fire origin and occurrence of fire-spread. 2. Relationships between occurrence of fire-spread and distances between burned and adjacent bu ildings, and structure of adjacent buildings. 3. Relationships between the extent of fire damage to buildings and fire fighting of fire brigade.