The Japanese coast guard has released previously unseen video of automobiles and planes being swept away by the March 11 tsunami that hit Sendai airport and port towns across northern Japan.

30, the officials said. “The footage is a valuable piece of testimony to what the quake and tsunami were like,” said Yasutaka Kodo, a counselor to Choju-kai, the social welfare corporation ...

Newly discovered footage taken in Shizuoka Prefecture after the 1923 Great Kanto Earthquake constitutes what is probably among the oldest 35-millimeter records of tsunami damage in Japan.