Double Happiness cigarettes are from China, not Japan. Their writing systems are similar but easily told apart. I’m sure there are Sooke residents of Japanese or Chinese background that would help you distinguish them.
And “trash” is not a good word to describe the debris from the tsunami. Not many of us would look around our houses and say everything in it is garbage.Remember, nobody in Japan put their garbage at sea; their houses with all their belongings were washed away, and this includes all their memories and family heritage, some going back many generations.