Columbia subject headings:
Emergency management--Japan--History.
Natural disasters--Japan--History.
Tohoku Earthquake and Tsunami, Japan, 2011.
Harvard subject headings:
Natural disasters--Japan--History.
Natural disasters--Safety measures.
Tohoku Earthquake and Tsunami, Japan, 2011--Cultural aspects.
Princeton subject headings:
Natural disasters--Japan--History.
Natural disasters--Safety measures.
Tohoku Earthquake and Tsunami, Japan, 2011--Cultural aspects.