confirmed via Japanese media reports of Disaster Minister Goshi Hosono’s statements and longstanding MAFF/Cabinet Office guidance.

On Nov 2 (new Disaster Management Agency launch), Hosono plans an urgent request urging households to stock at least 3 days’ food, water (3L/person/day) and toilets—ideally a week—so people can manage without immediate public aid.

Reason: Japan’s high risk of major quakes (Nankai Trough, capital direct-hit, trench events) and possible Mt Fuji eruption. Aid can be delayed; self-sufficiency helps prioritize those most in need. Official guides have long recommended this.
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