50 BC Tsunami: Black Sea, Georgia
A tsunami caused by a magnitude 5.5 earthquake began at Black Sea, Georgia in 50 BC.
Where the waves reached
The source of the tsunami. No runup with a place is recorded for it.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
The tsunami
- Date
- 50 BC
- Source
- Black Sea, Georgia
- Cause
- Earthquake
- Earthquake
- Magnitude 5.5
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Very doubtful tsunami
- Source location
- 43.000° N, 41.000° E
The toll
- Damage
- Moderate (about $1 to $5 million)
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.
50 B.C. Earthquake 43 deg N 41 deg E. Inundation of Dyoscuria. (reference #4139)
The town of Dyoscuria was completed destroyed and went under water. (reference #9155).
50 A.D. [probably typo and should be B.C.] 42.9 N, 41 E, magnitude 5.5, intensity VIII. Destruction of town of Dioskurly, landslides, tsunami. (reference #223)
More
Every tsunami in 50 BC99 to 1 BCTsunamis of GeorgiaThe earthquakeAlerts in force
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. NCEI tsunami event 3728.