Following Britain, the Japanese authorities encouraged their citizens to stock up on food for several days due to possible emergencies:
"Japan is preparing for the worst-case scenario in the first days after a major disaster. In light of the threat of strong earthquakes and a possible eruption of Mount Fuji, the Japanese authorities issued an urgent call to the public. Citizens are advised to stock up on food and drinking water for at least three days, and preferably for a week. This is due to the risk of road damage, communication disruptions and delays in the rescue services, which in some areas may not reach the victims for several days. ".