A subsequent field study by the University of Tokyo 's Earthquake Research Institute revealed that the waters had reached at least 37.9 metres ( 124 ft ) above sea level , almost equalling the 38.2 metres ( 125 ft ) metre record of the 1896 Meiji-Sanriku earthquake tsunami .
A study by the University of Tokyo 's Earthquake Research Institute found that the waters had reached at least 37.9 metres ( 124 ft ) above sea level .