This aerial shot shows houses in flame after being hit by a tsunami at Natori city in Miyagi prefecture, northern Japan on March 11, 2011. A massive 8.9-magnitude earthquake shook Japan, unleashing a powerful tsunami that sent ships crashing into the shore and carried cars through the streets of coastal towns. AFP PHOTO / YOMIURI SHIMBUN (JAPAN OUT, RESTRICTED TO EDITORIAL USE) (Photo credit should read STR/AFP/Getty Images)

Black smoke raises from a building in Tokyo's waterfront Daiba in Tokyo on March 11, 2011. A massive 8.8-magnitude earthquake shook Japan, unleashing a powerful tsunami that sent ships crashing into the shore and carried cars through the streets of coastal towns. AFP PHOTO / JIJI PRESS (Photo credit should read STR/AFP/Getty Images)