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Mount Fuji
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Mount Fuji Article

How was Mount Fuji formed?

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While tradition holds that the volcano was created by an earthquake, the truth is more complex. Fuji seems to have formed during the past 2.6 million years. The present-day mountain is a composite of three successive volcanoes: at the bottom is Komitake, which was surmounted by Ko Fuji (“Old Fuji”) and, finally, by the most recent, Shin Fuji (“New Fuji”). Over the millennia the lava and other ejecta from Ko Fuji covered most of Komitake.

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