Who is at particular risk? How many power plants are there around the world, how old and how safe are they? GLOBAL 3000 examines nuclear power facilities in earthquake-prone regions.Most Europeans think of earthquakes as disasters that happen elsewhere in the world and forget that Europe can also experience tremors. <br />The Belene nuclear power project in Bulgaria, for example, is very controversial. Nuclear reactors have to be able to withstand earthquakes measuring up to 8 on the Richter Scale. Like Japan, America's west coast could be hit by a severe earthquake and a tsunami, while the area surrounding North and South Korea is also vulnerable.