It's because they think subways are stronger against earthquakes.
I see... but I feel better on the ground rather than underground;)
As I don't own a TV, don't read newspaper, I am probably not receiving too much information as other people are.
If I need some specific information, I actively look for it myself on Internet. My life has been fine without "the old media".
This is the famous statue of Hachiko, the loyal dog in front of Shibuya station, one of the busiest station in Tokyo.
It's a very rare close-up shot of Hachiko! Cute;-)