August 8, 1808 Earthquake: E. Awa, Tokushima Prefecture, Japan
A magnitude 6.5 earthquake struck E. Awa, Tokushima Prefecture, Japan on August 8, 1808. 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
- August 8, 1808
- Place
- E. Awa, Tokushima Prefecture, Japan
- Magnitude
- 6.5 (Ms)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 33.900° N, 134.800° E
- Country
- Japan
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
On August 8, 1808, there was an earthquake in Tokushima Prefecture, which caused tsunami waves on the coast of the prefecture. (reference #414)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 16, 1995, Kobe, Awaji-Shima, Nishinomiya, SW Honshu, Japan
- October 28, 1707, Nankaido, Japan
- February 3, 1605, Nankaido, Japan
- March 7, 1927, SW, Honshu, Japan
- December 24, 1854, Nankaido, Japan
- September 10, 1943, S, Honshu, Japan
- December 20, 1946, S Coast, Honshu, Japan
- July 9, 1854, Iga, Ise, Yamato, Japan
- December 20, 1711, Seionaikai, Japan
- August 3, 1361, Nankaido, Japan
- August 19, 1830, Kyoto, Japan
- June 17, 2018, Osaka, Japan
- August 15, 1331, Sagami, Japan
- April 12, 2013, Japan
- February 27, 1671, Nankaido, Japan
More
Significant earthquakes of 1808The 1800sRecent 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 6042.