As of October 30, 2026, 4:00 PM

The Sapporo Regional Headquarters of the JMA raised the eruption alert for Mt. Hokkaido-Komagatake to Level 2 (entry restrictions around the crater) at 7:30 AM on October 2, 2026 (Friday). An eruption may occur that could affect the area within a 4 km radius of the crater, so please follow the instructions of the local municipalities and do not enter the risk area. If an eruption occurs, please be aware that large volcanic debris may be blasted down the mountain, or, depending on wind direction, small volcanic rocks may be carried by the wind.

Please be aware of updates from local municipalities and the JMA. For the latest disaster information, please check the Hokkaido Disaster Prevention Portal.
https://www.bousai-hokkaido.jp/

For more information about eruption alert levels, see the JMA homepage.
https://www.jma.go.jp/jma/kokusai/multi.html

As of October 30, 2026, 4:00 PM

The Sapporo Regional Headquarters of the JMA lowered the eruption alert for Mt. Tokachidake to Level 2 (entry restrictions around the crater) at 10:00 AM on October 16, 2026 (Thursday). An eruption may occur that could affect the area within a 1.5 km radius of the 62-2 crater, so please do not enter the risk area.

If an eruption occurs, please be aware that large volcanic debris may be blasted down the mountain, or, depending on wind direction, small volcanic rocks may be carried by the wind.

The entry restrictions apply only to the area around the crater and do not extend to the Shirogane area, the Tokachidake Observatory, or residential areas. The Shirogane Onsen area remains open, but please pay attention to future eruption alert updates.

Please pay attention to updates from local municipalities and the JMA. For the latest disaster information, please check the Hokkaido Disaster Prevention Portal.
https://www.bousai-hokkaido.jp/

For more information about eruption alert levels, see the JMA homepage.
https://www.jma.go.jp/jma/kokusai/multi.html