Add Japan's volcanoes: https://en.wikipedia.org/wiki/Natural_disasters_in_Japan#List_of_major_volcanic_eruptions https://en.wikipedia.org/wiki/Natural_disaster

Add Japan's volcanoes: https://en.wikipedia.org/wiki/Natural_disasters_in_Japan#List_of_major_volcanic_eruptions https://en.wikipedia.org/wiki/Natural_disasters_in_Japan#Lis... At least 3 of those are active calderas, with histories of producing VEI 7 eruptions: https://en.wikipedia.org/wiki/Natural_disasters_in_Japan#VEI-7_Volcanic_eruptions https://en.wikipedia.org/wiki/Natural_disasters_in_Japan#VEI... A select quote: > Aira caldera is surrounded by the major city of Kagoshima which has a population of more than 900,000. Residents do not mind small eruptions because they have measures in place for protection. For example, school students are required to wear hard helmets for protection against falling debris.