Earthquake Hazard Map

We've had some earthquakes at least 5 or 6 times since we came to Japan. The other day, a new Earthquake Hazard Map was released by the Headquarters for Earthquake Research Promotion. It shows the chances of a quake of at least lower 6 on the Japanese intensity scale of 7 within 30 years. Kanto region is very red, that means possibility is higher. I think that's horrifying...