On November 7, Hokkaido Police Station announced on December 7 that they had died of carbon monoxide (CO) poisoning accident caused by the use of a generator in connection with a power failure due to the earthquake, in Shibetsu-cho and Kamifurano Town . It is said that there is a possibility that room ventilation was insufficient and calls attention to either.
According to a police force, a colleague of the company found a male in a living room in a 40-year-old residence at a communal housing in Hatsukaido Shibetsu-machi around 8:20 am on July 7 and informed the fire department. The cause of death was CO poisoning. There was a blackout in the man's room, and a generator was placed at the entrance. The room was in a closed state.
Relatives also found a self-employed man in his 70's who died in the house of Kamifurano Town in Hokkaido at around 8:15 am on the same day. The cause of death was CO poisoning, a power generator was in the interior where the power failed, and the room was shut down.