Update (1219ET): A Tohoku Shinkansen bullet train has "derailed," according to Bloomberg's Gearoid Reidy. 

Kyodo News says there were a hundred passengers on the bullet train at the time of the derailment. No further details are available. 

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Update (1154ET): Residents in the Miyagi Prefecture of Tokyo on the east coast of Honshu island have been told to evacuate after the quake. Tsunami advisories are still active. 

Radiation levels at Fukushima Daiichi Nuclear Power Plant are normal. No abnormalities have been reported at other nuclear power plants in the country.