Authorities are grappling with the ongoing fallout from Typhoon Hagibis that killed at least 74 people. Rescue crews are still trying to locate missing people, while emergency crews are trying to deliver food and supplies to those struggling to cope.
In Miyagi prefecture, People stranded by the disaster wrote messages in the debris, urging officials to send help.
Some rescuers used helicopters to enter areas cut off by the floodwaters.
The typhoon brought powerful winds and heavy rain, bursting 79 levees on rivers across the nation.
NHK has learned over 13,000 houses were submerged and more than 1100 were partly destroyed.
About 12,000 homes still have no electricity. More than 110,000 households are without water. It's unclear how long it will take to restore services.
Bullet train services on the Hokuriku Line are still partially disrupted. The railway operator says it will take at least one or two weeks to resume full operations.
Some domestic airlines are increasing flights and using larger airplanes in response.
A low pressure system is expected to bring heavy rain to northern and eastern Japan on Friday and Saturday. That's prompting concern in disaster-hit areas where the ground has been loosened. Officials say even a small amount of rain could trigger another disaster.