922 Earthquake: Kumanonada, Japan
A magnitude 7 earthquake struck Kumanonada, Japan in 922. It caused a tsunami.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- 922
- Place
- Kumanonada, Japan
- Magnitude
- 7 (Ms)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 33.800° N, 136.700° E
- Country
- Japan
The toll
- Damage
- Limited (under about $1 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
An earthquake occurred on the coast of Kumano-Nada. There was a tsunami on the south coast of the Kii Peninsula. (reference #414)
The earthquake caused many landslides. (reference #150)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 18, 1586, Ise Bay, Japan
- October 27, 1891, Mino-Owari, Japan
- January 16, 1995, Kobe, Awaji-Shima, Nishinomiya, SW Honshu, Japan
- September 20, 1498, Enshunada Sea, Japan
- October 28, 1707, Nankaido, Japan
- February 3, 1605, Nankaido, Japan
- December 24, 1854, Nankaido, Japan
- January 12, 1945, S, Honshu, Japan
- October 28, 1707, Enshunada, Japan
- December 20, 1946, S Coast, Honshu, Japan
- July 9, 1854, Iga, Ise, Yamato, Japan
- December 7, 1944, Off Southeast Coast Kii Peninsula, Japan
- February 3, 1605, Enshunada, Japan
- December 23, 1854, Enshunada Sea, Japan
- August 3, 1361, Nankaido, Japan
More
Significant earthquakes of 922The 900sRecent earthquakes near here
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 5901.