The purpose of this study is to analyze the change on the progression of an event and the degree of tension considering time series. For this purpose, the thematic word {Bukhan} has been analyzed in the KBS News 9, which broadcasted from 2001 through 2013. {Bukhan} has the high frequency of use, but each time the frequency deviation is very wide. For instance, the frequency of {Mikuk} is much higher than {Jungguk}, but the frequency of {Mikuk} is lowered, while the frequency of {Jungguk} increased. The news related to North Korea are mainly covered in the subject of a missile or nuclear test. In the topics covering a missile or nuclear test, the first [EVENT] has occurred after the [ACTION], [TENSION], [RELAXATION] proceeds in the order of events. In terms of the frequency of words, [EVENT] is the highest area, but the degree of tension is correlated with the frequency of words in the [TENSION], especially {Dabal(provocation)}. The result of this study may show that the results of analysis may be utilized to forecast the direction of the incident and the degree of tension