A significant natural disaster such as urban earthquake may deprive substantial numbers of people access to food or the means to prepare food. To mitigate nutritional risk and possible food panic resulted from the striking of earthquake, local governments encourage every household to stockpile food and water for at least three days.This paper assesses the supply of emergency food stored at household level, and identifies socio-economic factors affecting households decision-makings on emergency food preparation. We conducted a large scale survey in Sendai City, Miyagi, where earthquakes of m...