Is Mount Fuji dormant? Companies prepare for X-Day

Volcanic time bomb pushes Mitsubishi Estate and Tokio Marine to ready clients

20211104NY Mt. Fuji from above

The last confirmed eruption of Mt. Fuji was in 1707. (Photo by Akiyoshi Inoue)

YOSHIHIRO HARA and RIMI INOMATA, Nikkei staff writers

TOKYO -- The last confirmed eruption of Mount Fuji was back on Dec. 16, 1707, during the Edo period -- one of the largest in Japan according to Meteorological Agency records going back to August 781.

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