August 21, 2017 Earthquake: Ischia Island, Italy
A magnitude 4.2 earthquake struck Ischia Island, Italy on August 21, 2017 at 18:57:51 UTC, 3 km below the surface. It killed 2 people.
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
- August 21, 2017
- Time
- 18:57:51 UTC
- Place
- Ischia Island, Italy
- Magnitude
- 4.2 (mb)
- Focal depth
- 3 km (2 mi)
- Intensity
- 5 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 40.783° N, 13.939° E
- Country
- Italy
The toll
- Deaths
- 2
- Injuries
- 42
- Damage
- Moderate (about $1 to $5 million)
- Houses destroyed
- Some (about 51 to 100)
- Houses damaged
- Some (about 51 to 100)
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.
At least 2 people killed, 39 injured and many buildings damaged or destroyed on Isola d'Ischia, Italy. Forio, Campania, Italy - CDI: 5; Ischia, Campania, Italy - CDI: 4; Barano dʿIschia, Campania, Italy - CDI: 2; Rreshen, Mirdite, Albania - CDI: 1; Vasto, Abruzzen, Italy - CDI: 1 (reference #13456)
Three boys were rescued after two women were killed and 42 people injured, one seriously, in a 4.0 magnitude earthquake on the popular Bay of Naples island of Ischia Monday night. (reference #11871)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- December 5, 1456, Avellino,napoli,abruzzi, Brindisi,benevento, Italy
- January 13, 1915, Marsica, Avezzano, Abruzzi, Italy
- December 16, 1857, Campania, Potenza, Italy
- February 2, 1703, L'Aquila (Aquila), Italy
- 1248, Sabaudia, Italy
- July 26, 1805, Molise, Rosolone, Napoli (Naples), Isernia, Italy
- July 30, 1627, Lesina, Italy
- November 23, 1980, Avellino, Potenza, Caserta, Naples, Italy
- September 8, 1694, Calitri, Italy
- December 16, 1631, Naples (Napoli), Italy
- July 17, 1361, Basilicata to Pouilles, Italy
- March 20, 1731, Foggia, Italy
- June 5, 1688, Benevento, Italy
- July 28, 1883, Casamicciola, Forino, Lacco Ameno, Ischia Is, Italy
- August 24, 79, Naples (Napoli), Italy
More
Significant earthquakes of 2017The 2000sEvery quake the USGS located in 2017Recent 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 10263.