1454 Kyōtoku earthquake
1454 CE.
Shown on the map at 38.500°, 143.800°.
The Kanto and Tōhoku regions of Japan were struck by major earthquake at midnight on 23 November 1454, which triggered a large tsunami that led to many deaths. It had an estimated magnitude of about 8.4 Mw, based on the extent of observed tsunami deposits.
Text from the Wikipedia article 1454 Kyōtoku earthquake and tsunami, licensed CC BY-SA 4.0.