August 14, 1761 Tsunami: Guernsey, English Channel, United Kingdom
A tsunami caused by an earthquake began at Guernsey, English Channel, United Kingdom on August 14, 1761.
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
- August 14, 1761
- Source
- Guernsey, English Channel, United Kingdom
- Cause
- Earthquake
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Very doubtful tsunami
- Source location
- 49.465° N, 2.585° W
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.
Reference #1881: "1761, Aug. 14.--An earthquake was felt in Guernsey accompanied by a hollow rumbling noise. A violent swell of the sea set in from the west, the wind being east at the time."
More
Every tsunami in 1761The 1700sTsunamis of United KingdomThis 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 470.