Preventive coastal measures were not implemented until after another tsunami struck in 1933 . Due to higher levels of tsunami awareness , fewer casualties were recorded following the Sanriku earthquake . Nevertheless , the earthquake of 11 March 2011 caused a huge tsunami that resulted in thousands of deaths across the same region and the nuclear disaster at Fukushima
Sanriku earthquake
1933 Sanriku earthquake
1896 Sanriku earthquake