March 4, 1778 Tsunami: Baltic Sea
A tsunami of unknown cause began at Baltic Sea on March 4, 1778.
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
- March 4, 1778
- Source
- Baltic Sea
- Cause
- Unknown
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Very doubtful tsunami
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.
No shock mentioned. An unusual rise of the waters of the Baltic was observed. (reference #43)
More
Every tsunami in 1778The 1700sTsunamis of Baltic SeaThis 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 3468.