An association unit associates earthquake disaster information that a governmental agency, a municipality, or the like publishes with base station data including position information of base stations. A base station priority calculation unit, based on an association result by the association unit and the estimated number of users that are present in coverage of each of the base stations, assigns priority for recovery measures at the time of an earthquake disaster to the base stations, and causes a display unit to display the priority of the base stations thus calculated. Thus, it becomes possible to easily assign the priority of the base stations based on the earthquake disaster information that a governmental agency, a municipality, or the like publishes.