The 1707 Hōei earthquake struck south-central Japan at around 13:45 local time on 28 October 1707. It was the largest earthquake in Japanese history until it was surpassed by the 2011 Tōhoku earthquake. 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 or 8.7 Mw. It possibly also triggered the last eruption of Mount Fuji 49 days later.
The Hōei earthquake ruptured all segments of the Nankai megathrust simultaneously – the only earthquake recorded to have done so.
On October 28, in the year 1707, The Hōei earthquake ruptured all segments of the Nankai megathrust simultaneously – the only earthquake recorded to have done so. This event is recorded as a Selected Events event in the history of October 28, one of 451 recorded events on this date across all of history.
Key Facts
- This event took place on October 28, 1707 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 26 July 2026.
On This Date in History 451
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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