Given the magnitude of the last two earthquakes , the next is expected to have at least a magnitude scale of 8.0 , with large areas shaken at the highest level in the Japanese intensity scale , 7 . Emergency planners are anticipating and preparing for potential scenarios after such an earthquake , including the possibility of thousands of deaths and hundreds of thousands of injuries , millions of damaged buildings , and cities that include Nagoya and Shizuoka devastated . Concern has been expressed over the presence of the Hamaoka Nuclear Power Plant , close to the expected epicentre of a Tōkai earthquake . The Fukushima I Nuclear Power Plant was severely damaged after a large earthquake followed by a tsunami in 2011 , causing a nuclear event of level 7 , the highest on the scale
earthquake followed by a tsunami in 2011
2011 Tōhoku earthquake and tsunami
Tōkai earthquakes