Tsunamis of the 800s
Every tsunami NOAA records from 800 to 899.
The 800s on the map
At the source, colored by the highest water recorded. A ring is an event NCEI rates doubtful or questionable.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
Every event
Oldest first.
- 800, Ionian Sea, Greece
- December 19, 803, Gulf of Iskenderun, Turkey
- August 818, Tokaido, Japan
- October 24, 842, Channel Islands, England, United Kingdom
- November 27, 850, NW. Honshu Island, Japan
- June 855, Nankaido, Japan
- 859, Samandag (Suaidiya), Turkey
- July 10, 863, NW. Honshu Island, Japan
- July 13, 869, Sanriku, Japan
- April 8, 881, Israel and Egyptian Coasts
- May 26, 881, Cadiz, Spain
- August 2, 887, Niigata, Japan
- August 26, 887, Nankaido, Japan
By year
Other centuries
Sources
Tsunami events and runups 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.