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The magnitude 9.0 earthquake that struck the Tohoku region of Japan on March 11, 2011 triggered the worst tsunami in history, numerous aftershocks, and radioactive fallout from the destruction of nuclear power plants in Fukushima. However, the instant the earthquake struck social media played a vital role in connecting people and relaying information not only amongst victims of the catastrophe, but also between Japan and the rest of the world. Thousands of cases have been recorded in which social media tools such as Facebook and Twitter were used as a means of life-saving communication right after the disaster.

Looking at the substantial influence these social media tools had on people and also on traditional media outlets such as television, newspapers, and magazines, we can certainly call this phenomenon a social media revolution. What aspects of the Tohoku earthquake and tsunami did social media convey to us? This book introduces examples with a particular focus on the revolutionary aspects of social media in Japan, how the disaster was reported by mass media in Japan and the rest of the world, and how these reports were affected by social media.


- Aftershocks of the Quake and the Four Waves of Social Movement

- Controversies in Social Media

- Public Opinions from Abroad

- Waves of National and International Aid

- The Future of Social Media and Japan

About the Author

Katsuyoshi Tachiiri

Tachiiri is an independent freelance consultant who handles a number of projects for Japanese companies hoping to break into North American markets, including content translation for online RPGs and film. Tachiiri is an active member of the online community, posting articles and updates on his own blog about the latest IT-related issues and e-book publishing in North America, as well as constructing community websites that allow users to more effectively use social media.

Tachiiri’s published works include Social Media Revolution and 3.11 and the Social Media Revolution.

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