2011年の日本の地震 分布図 Japan earthquakes 2011 Visualization map (2012-01-01) (by StoryMonoroch)
Interesting timeline graph showing date, intensity, depth, and number of Earthquakes before, during and after the 2011 disasters. Wait for the map to load. Then keep an eye on the yellow number and line in the lower left. When it nears 900, watch the island where the quakes happened. Bam! Pretty informative.