February 20, 1818 Tsunami: Eastern Sicily, Italy
A tsunami caused by a magnitude 6 earthquake began at Eastern Sicily, Italy on February 20, 1818 at 18:15 UTC. Its effects were recorded at 1 place. It killed 72 people, counting the earthquake or eruption that caused it.
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
- February 20, 1818, 18:15 UTC
- Source
- Eastern Sicily, Italy
- Cause
- Earthquake
- Earthquake
- Magnitude 6
- Runups recorded
- 1
- Tsunami intensity (Soloviev-Imamura)
- 3
- Waters
- Ocean
- How certain
- Definite tsunami
- Source location
- 37.600° N, 15.133° E
The toll
- Deaths
- 72 with the earthquake or eruption that caused it
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
"Two extremely strong earthquakes occurred. ; the second was more powerful and prolonged. A great number of fissures were opened in the earthwithin the pleistoseismic area; 72 inhabitants were killed" (reference #2130).
Withdrawal/inundation at Catania (reference #139)
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 |
|---|---|---|---|---|---|---|---|
| Paraspolo | Italy | Eyewitness observation of water height |
More
Every tsunami in 1818The 1800sTsunamis 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 3223.