When a disaster strikes, nonprofit organizations face the need to mobilize resources as quickly as possible in a limited time frame. Given its characteristics to instantly spread information to masses of people, social media is considered one of the most effective ways for nonprofits to...

In recent years, many natural disasters have occurred in Japan. As a means for providing information in the event of such a disaster, online media has emerged as a valuable resource. In this study, we analyze the online-media usage tendencies of victims evacuating from Typhoon No. 19 through...