October 22, 1756 Tsunami: Gargano Peninsula, Italy
A tsunami caused by a magnitude 7 earthquake began at Gargano Peninsula, Italy on October 22, 1756 at 15:30 UTC. 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
- October 22, 1756, 15:30 UTC
- Source
- Gargano Peninsula, Italy
- Cause
- Earthquake
- Earthquake
- Magnitude 7
- Runups recorded
- 1
- Tsunami intensity (Soloviev-Imamura)
- 4
- Waters
- Ocean
- How certain
- Very doubtful tsunami
- Source location
- 37.700° N, 22.800° 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.
Adriatic Sea. A strong but not destructive earthquake took place in Manfredonia, on the southern shore of the Gargano Peninsula. It was felt in Naples, Calabria, on Sicily, in Greece including the shore of the Gulf of Corinth (reference #2130).
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 |
|---|---|---|---|---|---|---|---|
| Gulf of Manfredonia | Italy | Eyewitness observation of water height |
More
Every tsunami in 1756The 1700sTsunamis of ItalyThis 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 3167.