April 4, 1520 Earthquake: Kii, Kumananonada, Japan
A magnitude 7 earthquake struck Kii, Kumananonada, Japan on April 4, 1520. 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
- April 4, 1520
- Place
- Kii, Kumananonada, Japan
- Magnitude
- 7 (Ms)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 33.600° N, 136.300° E
- Country
- Japan
The toll
- Damage
- Limited (under about $1 million) with its tsunami and other effects
- Houses destroyed
- Some (about 51 to 100) with its tsunami and other effects
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.
There was an earthquake on the eastern shore of the Kii Peninsula (at Kumano-Nada). A tsunami was observed on the coast of the southern part of the Kii Peninsula. Several homes were washed away. (reference #414)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 18, 1586, Ise Bay, Japan
- January 16, 1995, Kobe, Awaji-Shima, Nishinomiya, SW Honshu, Japan
- October 28, 1707, Nankaido, Japan
- February 3, 1605, Nankaido, Japan
- September 20, 1498, Enshunada Sea, 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
- December 23, 1854, Enshunada Sea, Japan
- August 3, 1361, Nankaido, Japan
- December 17, 1096, Enshunada, Japan
- August 19, 1830, Kyoto, Japan
More
Significant earthquakes of 1520The 1500sRecent earthquakes near hereThis day in weather history
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 5951.