On February 7, 2023, the Tokyo Metropolitan Government published the “Tokyo Regional Disaster Prevention Plan – Volcano Edition (revised in 2025) Draft” and solicited opinions from Tokyo residents.
Based on the opinions we received, the Tokyo Metropolitan Disaster Prevention Council held on May 28, 2025 decided on the “Tokyo Regional Disaster Prevention Plan: Volcano Edition (Revised in 2025).” We would like to inform you of the details as follows.

1　Overview and text of the plan

（1）Overview of the Tokyo Metropolitan Government Regional Disaster Prevention Plan: Volcano Edition (revised in 2025)

Please see Appendix 1, “Outline of the Tokyo Regional Disaster Prevention Plan – Volcano Edition (Revised in 2025)” (PDF: 1,024KB).

（2）Text of the “Tokyo Regional Disaster Prevention Plan: Volcano Edition (Revised in 2025)”

Please see the “Tokyo Metropolitan Government Disaster Prevention Website”.
*The information can also be viewed in the Tokyo Citizens’ Information Room (Tokyo Metropolitan Government Main Building No. 1, 3rd floor, south side).

2　Results of the opinion poll

Please see Appendix 2, “Results of the public opinion call for the Tokyo Regional Disaster Prevention Plan – Volcano Edition (revised in 2025)” (PDF: 328KB).

*Attachment 3: Summary of opinions and the Tokyo Metropolitan Government’s stance on the “Draft Regional Disaster Prevention Plan Volcano Edition (revised in 2025)” (PDF: 367KB)

Contact: Disaster Prevention Planning Division, General Affairs Bureau Phone: 03-5320-7892