Table 3.

Number of tweets each day and examples of new words appearing each day.

	March 11	March 12	March 13	March 14	March 15	March 16	March 17
Tweets, n	6262	16,430	4879	4922	23,945	16,735	9732
Examples of words	nuclear plant Fukushima fear refuge residents water level earthquake	explosion operation information damage human body Roentgen health	radiation exposure rain technology despair dose media Kombu	pollution Tokyo Japan hydrogen scattering Tokai foreign country	economy observation self-control one’s home gasoline saving food	goods country cancer reach help Iwaki relief	water numerical number shortage self-defense forces acid cold death bath