July 4, 1727 Earthquake: Sciacca, Italy
A magnitude 5.2 earthquake struck Sciacca, Italy on July 4, 1727. It caused a tsunami.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- July 4, 1727
- Place
- Sciacca, Italy
- Magnitude
- 5.2 (Ms)
- Intensity
- 5 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 37.500° N, 13.000° E
- Country
- Italy
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
1727, July 4. Calabrian Arc, Island of Sicily, the western shore, Sciacca. 37.5 N, 13 E, earthquake intensity V, tsunami intensity 3 reliabiltiy 2. A strong underground shock, which was preceded by a boom, shook all the buildings in the town of Sciacca at 11h15m on May 8. A long intensive seismic period set in which was completed by the August 9, 1727 earthquake (according to other data it was in October 1727) with its focus, probably, located in the sea in the vicinity of Sciacca. The July 4 strong shock resulted in the sea receding from the coast [Caputo and Faita, 1984]. (reference #2130).
1727, May 8. Sciacca. 37.5 N, 13.1 E, intensity VII. (reference #1075)
1727, May-Oct. Italy, Sciacca in Girgenti. Intensity I which corresponds to an earthquake of intensity sufficient to crack walls, break chimneys, to shatter old buildings or to produce cracks in the ground. (reference #1055)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- January 9, 1693, Sicily, Calabria, Catania, Italy
- January 11, 1693, Sicily, Calabria, Italy
- February 4, 1169, Siracusa (Syracuse), Calabria, Sicily, Italy
- 1137, Catania, Sicily, Italy
- August 6, 1757, Siracusa (Syracuse), Italy
- January 21, 1065, Catania,messina,milazzo,pale, Sicily, Italy
- September 1, 1726, Palermo, Marsala, Mazzara, Italy
- January 15, 1968, Sicily, Italy
- May 8, 1914, Catania, Etna, Italy
- August 25, 1613, Naso, Italy
- September 8, 1818, Madonie, Italy
- February 20, 1818, Acireale, Catania, Calabria, Italy
- July 19, 1865, Etna, Italy
- July 17, 1879, Italy
- January 25, 1968, Sicily, Italy
More
Significant earthquakes of 1727The 1700sRecent earthquakes near hereThis day in weather history
Sources
Significant earthquakes 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 earthquake 10004.