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The Hōei earthquake ruptured all segments of the Nankai megathrust simultaneously – the only earthquake recorded to have done so.

Historical image related to The Hōei earthquake ruptured all segments of the Nankai megathrust simultaneously – the only earthquake recorded to have done so. from October 28, 1707

1707 Hōei earthquake

Earthquake and tsunami off the southern coast of Japan

The 1707 Hōei earthquake struck south-central Japan at around 13:45 local time on 28 October. 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…
Source: Wikipedia (CC BY-SA)

Nankai megathrust earthquakes

Class of earthquakes in Japan

Nankai megathrust earthquakes are great megathrust earthquakes that occur along the Nankai megathrust – the fault under the Nankai Trough – which forms the plate interface between the subducting Philippine Sea plate and the overriding Amurian Plate, which dips beneath…
Source: Wikipedia (CC BY-SA)