Tsunami waves 6-10 m size blow collapse of japan. After the 8.9 earthquake the size of the northeastern seashore of the island declared ฮoncoo evacuate the area then. Introductory recount of a dead ... foreign news agencies recounted on tour 11, size 7.9 earthquake occurred off the seashore of the northeastern city of sendai miyagi island district ฮoncoo japan the tall building in tokyo recognized this vibration. Publication of the tsunami warning about 6-10 meters high.