About Usu volcano disaster and restoration

About Usu volcano disaster and restoration

H12.3.28

Volcano observation information No. 1 announced

H12.3.29

Emergency Volcano Information No. 1 "Eruption is more likely to occur within the next few days, so it is necessary to increase vigilance for volcanic activity."
Closed traffic between Chomanbu IC and Muroran IC

H12.3.31

13:07 Eruption at the western foot of Nishiyama

H12.4.1

12:05 Eruption at the foot of Mt.

H12.4.2

Cancellation of suspension of traffic between Ochomanbe IC and Toyoura IC and between Date IC and Muroran IC

H12.4.18

Established Mitoyo emergency evacuation route (Ommanbu direction)

H12.4.26

As an alternative to general national highway No. 230, a part of approximately 15km of 2 highways (Toyoura Toya Line/Toyoura Kyogoku Line) will be incorporated into the national highway.

H12.5.3

Established East Usu emergency evacuation route (direction Muroran)

H12.5.25

Set up the North Usu emergency evacuation route (direction Muroran)

H12.6.7

Main line disaster survey undertaken of Abuta-Toyako near the IC ← Expressway evacuation order is entirely clear of the area

H12.7.13

Abuta Toyako temporary entrance opening (8km between Toyoura IC and Abuta Toyako temporary entrance)

H13.2.9

Opened between Abuta Toyako IC and Date IC

H13.6.30

Opening of the entire line (7.5km between Abuta Toyako temporary entrance and Abuta Toyako IC)