In April 2020, a working group of the government's central disaster management council compiled measures to combat volcanic ash from a possible eruption of the 3,776-meter Mount Fuji, which straddles Yamanashi and Shizuoka prefectures.

2020年4月，政府中央灾害管理委员会的一个工作组就制定了应对富士山喷发及火山灰的措施，富士山海拔3776米，横跨山梨县和静冈县。