March 12, 2011 THE COAL SPEAKER A quake with a preliminary magnitude of 6.4 just hit Fukushima in northern Japan- the prefecture where the unstable nuclear plant is located. msnbc: Enough aftershocks. Enough. Worst place and time for this aftershock A quake with a preliminary magnitude of 6.4 just hit Fukushima in northern Japan- the prefecture where the unstable nuclear plant is located. Tweet Related