Tokyo local government has a good english guide, tho it's meant for earthquakes mostly the preparation list is really good https://www.metro.tokyo.lg.jp/englis

Tokyo local government has a good english guide, tho it's meant for earthquakes mostly the preparation list is really good https://www.metro.tokyo.lg.jp/english/guide/bosai/index.html https://www.metro.tokyo.lg.jp/english/guide/bosai/index.html