Report of the committee for technical investigation on countermeasures for earthquakes and tsunamis based on the lessons learned from the “2011 off the Pacific coast of Tohoku earthquake”

The "2011 off the Pacific coast of Tohoku Earthquake” generated a mega earthquake and tsunami that went far beyond any of the pre-disaster expectations. It incurred vast damage including the greatest loss of human life in a single disaster in Japan since the Second World War, and posed the nation with enormous challenges regarding the way earthquake and tsunami countermeasures have been developed so far. The Central Disaster Management Council therefore decided that it would establish the “Committee for Technical Investigation on Countermeasures for Earthquakes and Tsunamis Based on the Lessons Learned from the 2011 off the Pacific coast of Tohoku Earthquake” to investigate and analyze the recently experienced earthquakes and tsunamis and examine countermeasures for future earthquakes and tsunamis. This report gives recommendations on improvements to earthquake and tsunami countermeasures, preparedness and early warning based on comprehensive analysis of the 2011 Great East Japan Earthquake and Tsunami.