> An earthquake hit Northern Japan early Tuesday local time, prompting a tsunami advisory for most of the nation's northern Pacific coast. The quake at first registered as magnitude 7.3, but was downgraded by the US Geological Survey to 6.9. The quake's epicenter was off the coast of Fukushima Prefecture.
That was the area hit by a massive quake in March 2011, which set off the world's worst nuclear power plant disaster since Chernobyl, and that still impacts the country. Public broadcaster NHK says Tokyo Electric Power was checking its nuclear plants in Fukushima for damage, and that the first of the tsunamis, about 2', reached Onahama Port.
A Tsunami warning of about 10' has been issued. All Nuclear plants on the coast have been shutdown in the wake of the Fukushima disaster, only two reactors are still operating in Japan, both in the southwest of the country. But even nuclear plants not in operation need active systems to keep spent fuel cool.
Japan's 2011 quake was a magnitude 9, the strongest quake in Japan on record. So far there are no immediate reports of damage or injury from Tuesday's quake.