July 15, 1757 Tsunami: Scilly Islands, England, United Kingdom
A tsunami caused by an earthquake began at Scilly Islands, England, United Kingdom on July 15, 1757. Its effects were recorded at 1 place.
Where the waves reached
The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.
- 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
- July 15, 1757
- Source
- Scilly Islands, England, United Kingdom
- Cause
- Earthquake
- Earthquake
- The earthquake
- Runups recorded
- 1
- Waters
- Ocean
- How certain
- Very doubtful tsunami
- Source location
- 49.920° N, 6.320° 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.
Earthquake possibly originating in the Scilly Islands caused "agitation of the sea" at St. Just.
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| St. Just, England | United Kingdom | 51 | Eyewitness observation of water height |
More
Every tsunami in 1757The 1700sTsunamis of United KingdomThe 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 463.