1. Earthquake, Tsunami, & Nuclear Crisis in Japan Purdue University Tech 621 Amanda Stirratt

2. Outline History Research Topic Topic Trend Tag Cloud Sentiment Analysis Impact Limitations Photos: Bloombarlounge.net & City Pictures

3. Bit of History Tōhoku earthquake and tsunami Friday, March 11th, 2011 9.0 magnitude earthquake Over 18,000 deaths Relevance Affecting global economy Millions directly affected Emergency preparedness advocacy Content: Guardian.co.uk

4. Research Topic How did coverage of the Japanese crisis on Twitter effect emergency preparedness advocacy in other parts of the world?

6. 1.4 million tweets over 1 month using the following keywords2nd Earthquake 3/28/11

8. Increase awareness of need for emergency preparedness

9. Tag Cloud

10. Sentiment Analysis Results Almost 75% of tweets positively reflected both Japan’s preparedness or advocacy for preparedness 3,815 tweets gathered specific to preparedness

11. Impact on Emergency Prep 14,658,154 followers viewed these tweets Call to action People questioned preparedness efforts at individual and community level New information being generated Elderly preparedness Pet and animal preparedness Preparedness for chronically individuals Re-tweeting of national preparedness info Issues with cutting for emergency preparedness funds in USA (Huffington Post)

12. Limitations Focused only on Tweets from March 1st-April 1st Sentiment analysis bias Negative words flawed results Personally reviewed=more bias Only emergency preparedness of Japan crisis Language limitations

13. Conclusion & Questions Japan’s crisis had a positive effect on global emergency preparedness. National Community Individual level Questions?!?!