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What are the effects
of ashfall?
How can you prepare
for ashfall?
Learn about the eruption of Mount Fuji
Volcanic disaster
prevention information
Resources and
Related Links
Efforts to combat
volcanic ash

Notice list

2026年04月14日
Driving tests of supply transport vehicles under the assumption of a large-scale volcanic ashfall.
2025年08月22日
A special website has been launched.
Disaster Prevention Planning Division, General Affairs Bureau,
Tokyo Metropolitan Government 2-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-8001 Tel: 03-5320-7892