President Faure Gnassingbé went to Sendai on Saturday, a martyr city, hard hit by the earthquake and tsunami on 11 March.
The wave of 10 meters, which hit the coast at the airport, devastated everything.
Capital of the Miyagi Prefecture, the city is 300 km from Tokyo and has a population of just over one million inhabitants.
The President, made the trip by Shinkansen, the high-speed train from Tokyo Station.
Visibly moved by the spectacle of desolation in front of his eyes, an expanse of ruins where some houses were distinguished turned upside down and cars wrecked,
Faure Gnassingbé engaged in private prayer for the 25,000 dead and missing.
On Wednesday, the president of Togo had visited a shelter for victims in Saitama (100 km from Tokyo) and had given a sum of US$200,000 to the Japanese Red Cross.