February 22, 1099 Earthquake: Nankaido, Japan
A magnitude 8.4 earthquake struck Nankaido, Japan on February 22, 1099. 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
- February 22, 1099
- Place
- Nankaido, Japan
- Magnitude
- 8.4 (Ms)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 33.000° N, 135.500° E
- Country
- Japan
The toll
- Damage
- Limited (under about $1 million) 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.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 16, 1995, Kobe, Awaji-Shima, Nishinomiya, SW Honshu, Japan
- February 3, 1605, Nankaido, Japan
- October 28, 1707, Nankaido, Japan
- December 24, 1854, Nankaido, Japan
- December 20, 1946, S Coast, Honshu, Japan
- December 7, 1944, Off Southeast Coast Kii Peninsula, Japan
- August 3, 1361, Nankaido, Japan
- April 17, 1948, Tokaido, Japan
- August 26, 887, Nankaido, Japan
- September 20, 1498, Nankaido, Japan
- November 22, 1360, Kumanonada, Japan
- August 15, 1331, Sagami, Japan
- February 27, 1671, Nankaido, Japan
- April 4, 1520, Kii, Kumananonada, Japan
- September 5, 2004, Kyoto, W Coast, Honshu, Japan
More
Significant earthquakes of 1099The 1000sRecent 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 7381.