Tsunamis in 963

July 22, 963 Tsunami: Sicily, Italy

July 22, 963 · Deaths: very many · Probable tsunami

A tsunami caused by an earthquake began at Sicily, Italy on July 22, 963. 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

Tsunami warnings in force

The tsunami

Date
July 22, 963
Source
Sicily, Italy
Cause
Earthquake
Earthquake
The earthquake
Runups recorded
1
Tsunami intensity (Soloviev-Imamura)
5
Waters
Ocean
How certain
Probable tsunami
Source location
38.000° N, 15.000° E

The toll

Deaths
Very many (over 1,000)

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.

July 22, 963. Sicily. A strong earthquake. Many cities and villages were destroyed, ploughed fields were ruined. The sea flooded dry ground and thousands of inhabitants perished. (reference #2130)

July 22, 963, 36.3 N, 37 E. G. Buccellino remembers that on 22 July a great earthquake in Syria and Sicily, destroyed many cities, lands and countries, and that in this last sea, having invaded the earth, made to drown many thousands of persons. Note: A probable maremoto from seism with epicenter far away (Syria). (reference #3470)

Every runup

Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.

WhereCountryKm from sourceWater height, mInland, mMeasured byFirst wave, UTCDeaths
Island of SicilyItaly0Eyewitness observation of water height

More

Every tsunami in 963The 900sTsunamis of ItalyThe 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 3429.