Experts say early warning systems will continue to be limited by these facts until earthquakes and tsunamis can be predicted According to Costas Synolakis, why did Japan suffer such a loss?
The country has never experienced any event as big as this one over the past 150 years
Japan has the best earthquake early warning systems in the world.
There are not concrete sea walls around all of the Japanese coastline
The government didn't announce its first tsunami warnings three minutes earlier.