A bullet train north of Fukushima city was also derailed by the quake, according to its operator. There were no immediate reports of injuries from that incident.An earlier tsunami warning for the northeast coast was lifted and power had been fully restored to the capital by the early hours of Thursday although people elsewhere remained without power. Transport links to the northeast also remained disrupted, with the Shrinkage bullet train service indefinitely suspended and at least one major highway to the region closed for safety checks.