53 according to Wikipedia.
lots
The tsunami wiped out almost all of Japan knocking down many buildings such as skyscrapers and nuclear power plants that were operating in Japan. The tsunami destroyed the nuclear power plants and radiation leaked out which caused a raging panic among the people of Japan.
Japan has nuclear power plants but no nuclear weapons
11 reactors at present, but see the link below
Japan has no fossil fuels but needs a lot of electricity as an industrial economy, therefore it was decided many years ago to build a large number of nuclear plants.
Japan
Along the Eastern coast of the mainland
Some people do not agree with Japan building and using nuclear power plants because twenty percent of the worlds earthquakes occur in Japan which causes dangers for the people living in Japan.
They both cuased nuclear melt downs in power plants.
No, I'm sure there is no connection
Nuclear Plants give off radiation, however when some of the nuclear plants in Japan were destroyed, some of the radiation did travel here but the radiation it sent here isn't strong enough to do any damage :)
France produces about 80% of its electricity by nuclear plants, but this is an exception in Europe, most countries with nuclear plants have about 20%, as in the USA. Not sure about Japan, but nuclear appeals there I think because they have little fossil fuels in the country. See www.world-nuclear.org for a more detailed survey.