Tsunamis of the 300s
Every tsunami NOAA records from 300 to 399.
The 300s 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.
- April 2, 303, Lebanon Coasts
- 315, Dead Sea
- 341, Cyprus Island
- 344, Marmara Sea, Dardanelles, Turkey
- 346, Adriatic Sea, Albania
- 348, Levantian Sea, Lebanon
- August 24, 358, Marmara Sea, Turkey
- May 24, 362, Dead Sea, Jordan
- July 21, 365, Crete, Greece
- October 11, 368, Lake Ascania (Iznik), Turkey
- November 368, Marmara Sea, Turkey
- 382, Cabo San Vicente, Portugal
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.