Cika jumla mai zuwa:
2011 Tohoku girgizar kasa da tsunami, tarihin Yoshimura na tarihin tsunami uku da suka gabata a gabar tekun Sanriku, "Sanriku Kaigan Otsunami" ya sami kwararar umarni, yana buƙatar sake buga kwafi 150,000. Matar Yoshimura kuma marubuciya a nata, Setsuko Tsumura ta ba da kyautar kyautar daga littafin zuwa ƙauyen Tanohata, wanda tsunami ya yi tasiri sosai. Tanohata wuri ne da Yoshimura ya fi so ya ziyarta kuma ya ba shi kwarin gwiwar fara bincike kan tsunamis na tarihi na yankin.