What the records say
- When
- 29 Nov 684
- Kind
- Tsunami
- Coordinates
- 32.50° N, 134.00° E
- Max water height m
- 3
- Source quake magnitude
- 8.4
- Runups
- 2
Placed at the area, not an exact site.
684 Hakuhō earthquake
7th-century earthquake in Japan
The 684 Hakuho earthquake took place in Japan in 684, and is described in the history book Nihon Shoki from the 8th century. The earthquake took place on 26 November 684, in the 13th year of the reign of Emperor Tenmu. It caused the under-sea inundation of approximately 10 km2 (3.9 sq mi) of rice fields.
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The source
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page