October 21, 1905 Tsunami: Caucasus, Georgia
A tsunami caused by a magnitude 7.5 earthquake began at Caucasus, Georgia on October 21, 1905 at 11:01:37 UTC.
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
- October 21, 1905, 11:01:37 UTC
- Source
- Caucasus, Georgia
- Cause
- Earthquake
- Earthquake
- Magnitude 7.5, 60 km deep
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Very doubtful tsunami
- Source location
- 42.000° N, 42.000° E
The toll
The record gives no deaths, injuries or damage for this tsunami.
What the record says
NCEI’s account, from the sources it cites.
Sea rising at Poti, Batumi, Sukhumi. (reference #4139)
More
Every tsunami in 1905The 1900sTsunamis of GeorgiaThe earthquakeThis day in weather historyAlerts 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 3727.