The revised plan details everything from clearing key roads to stockpiling masks and goggles, as Tokyo prepares for a worst-case scenario

As Mount Fuji looms tranquilly over Tokyo’s skyline, city officials are racing to prepare for a disaster that has not struck in more than three centuries – but could happen “at any time”.

The Tokyo Metropolitan Government’s new volcano disaster prevention plan outlines which roads will be cleared first and specifies evacuation protocols, in a departure from previous, more general guidelines.

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