I thought Canada was okay - I'm wrong Earthquake and almost major nuclear leak

[link to ca.news.yahoo.com]

Atomic Energy of Canada Ltd. (AECL) is playing down the danger caused by a so-called "near-miss" at its nuclear reactor in Chalk River, Ont., but says it's still being taken seriously.
An operator mistakenly shut off a pumping system that supplies coolant to the reactor's core, officials of the Crown corporation told the Canadian Nuclear Safety Com