Overview

• The Tokyo Metropolitan Government published AI-generated simulations as part of Volcanic Disaster Preparedness Day messaging.
• The campaign targets roughly 37 million people in greater Tokyo, and the Cabinet Office released a separate simulation urging residents to visualize specific scenarios.
• The videos depict ash reaching central Tokyo within hours of a hypothetical eruption, with transport halted and food and power supplies disrupted.
• Authorities describe the materials as risk-education tools and emphasize they are not a response to new volcanic activity.
• Public reaction ranges from residents stocking up on supplies to worries about alarm, and some outlets reported unverified figures on ash depth and potential damages.