The Tokyo Metropolitan Government has recently released a video created with the help of artificial intelligence that illustrates what would happen if Mount Fuji were to erupt. The simulation highlights the immediate impacts on Japan’s capital, such as volcanic ash fall, disruptions to public transportation, and changes to daily life. The initiative aims to raise awareness about the importance of preparedness for a large-scale event of this kind.
Ash covering the city
In the animation, pedestrians can be seen walking through the bustling district of Shibuya, with streets blanketed in thick ash while dark clouds spread across the sky. According to the projection, volcanic dust could begin reaching Tokyo within one to two hours after the eruption, piling up to 2 to 10 centimeters on the ground.
Historical records show that the last eruption of Mount Fuji occurred in 1707, when ash continued to fall for two consecutive weeks.
Risks and challenges
The video also warns that volcanic ash is made up of fine, irregular particles that can pose serious health hazards and cause significant social disruption.
Although located about 100 kilometers from the capital, strong winds could quickly carry ash to Tokyo. Unlike snow, which melts away naturally, volcanic ash hardens and, when wet, can even conduct electricity, requiring specialized removal by authorities.
Through this initiative, the Japanese government hopes to draw attention to the region’s vulnerability and emphasize the importance of emergency planning in the event that Mount Fuji becomes active again.
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