1707 Hōei earthquake ( '' Hōei jishin '' ) struck south-central Japan at 14:00 local time on 28 October 1707 . It was the largest earthquake in Japanese history until the 2011 Tōhoku earthquake surpassed it . It caused moderate to severe damage throughout southwestern Honshu , Shikoku and southeastern Kyūshū . The earthquake , and the resulting destructive tsunami , caused more than 5,000 casualties . This event ruptured all of the segments of the Nankai megathrust simultaneously , the only earthquake known to have done this , with an estimated magnitude of 8.6 ML . It might also have triggered the last eruption of Mount Fuji 49 days later
last eruption
Hōei eruption
1707 Hōei earthquake