RBMK were. They're over 50 year old designs now. Fukushima was just 30 years old also generation 2 (but improved) BWR, not the old GE BWR either. The reactors u

RBMK were. They're over 50 year old designs now. Fukushima was just 30 years old also generation 2 (but improved) BWR, not the old GE BWR either. The reactors under way are generation III+, notably safer, and further improvements are being made. And many of the reactors now are PWR.