Columbia subject headings:
Earthquake prediction--Japan.
Fukushima Nuclear Disaster, Japan, 2011.
Nuclear energy--Government policy--Japan.
Nuclear power plants--Accidents--Japan.
Tohoku Earthquake and Tsunami, Japan, 2011.
Harvard subject headings:
Earthquake prediction
Fukushima Nuclear Disaster, Japan, 2011.
Nuclear energy--Government policy--Japan.
Nuclear power plants--Accidents--History
Princeton subject headings: