Japan was hit by a strong 7.3 magnitude earthquake on Friday morning - leading to a small tsunami.
The quake hit the coast of northeast Japan - the same region hit by a huge tsunami in March 2011 that killed nearly 20,000 and was felt as far away as Toyko.
A metre high wave has hit the city of Ishinomaki in Miyagi Prefecture, 227m from the capital, which was affected by last year's Tsunami.
There have been no reports of death or injury.
AP reports buildings in Tokyo swayed for several minutes after the quake, which was 4 magnitude in the city.
Japan's prime minister Yoshihiko Noda has cancelled campaigning in Tokyo, ahead of an election in two weeks, after the quake, Reuters reports.