Latest update:
A devastating earthquake hit Hokkaido in the night of September 6, 2018. The magnitude 6.7 earthquake caused dozens of landslides in the town of Atsuma.
The death toll has risen to 41 and hundreds were injured.
According to Hokkaido Electric Power Co., power has been restored across Hokkaido.
Public transportation hasn’t yet fully returned to normal though In Sapporo, the subway lines and tram line resumed operations.
Currently, all the airports on island of Hokkaido are open and operating.

The JR Hokkaido Shinkansen and the JR Rapid trains between Shin-Chitose Airport and Sapporo stations resumed operations.
Is it safe to travel in Hokkaido after the quake?
Public transport is gradually being restored and it’s a positive sign that travelers who wish to visit Hokkaido may find it inspiring.
If you are in Hokkaido now, or planning to travel to the region this September 2018, you are advised to stay safe, follow the advice of the local authorities, follow local news, and contact with transportation and accommodation companies in case of any changes or cancellation of your travel plan.
Find useful info at http://safety-travel.jp/, http://www2.jrhokkaido.co.jp/global/ and http://www.new-chitose-airport.jp/en/