Measures against earthquake itself

Japan is an earthquake-prone.
In Japan, much damage has been issued by the earthquake from the past. Recently, however, because the firm has been earthquake-proof construction of buildings, less damage from the earthquake itself seems to be less.
What buildings are being devised for what competitive earthquake.

Measures for liquefaction

　Liquefaction and the soft sand in the land of high plains and groundwater levels, such as landfill, which is a phenomenon that liquid ground vibrations when the earthquake happened.
　Thus, there was a lot of damage, such as Urayasu, Chiba Prefecture, eastern Japan at the 2011 earthquake.
The liquefaction What measures do we take it?

Measures to the tsunami

　Earthquake in eastern Japan, issued a number of tsunami victims. The Sanrikukaigan are not attacking the tsunami came from the ancient times, in order to protect themselves and then had a different twist.
　But the giant tsunami tsunami was far beyond the imagination of the people.
　What can I say now to the tsunami and how to measure?