Significant earthquakes of 1349

September 9, 1349 Earthquake: L'Aquila, Abruzzi, Sannio, Italy

September 9, 1349 · 2,000 deaths

An earthquake struck L'Aquila, Abruzzi, Sannio, Italy on September 9, 1349. It killed 2,000 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
September 9, 1349
Place
L'Aquila, Abruzzi, Sannio, Italy
Intensity
10 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
42.300° N, 13.500° E
Country
Italy

The toll

Deaths
2,000
Damage
Severe (about $5 to $25 million)
Houses destroyed
Many (101 to 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.

1349, September 9 or 10. Abruzzi, Sannio. 42 deg 18' N, 13 deg 30' E, intensity X-XI. (reference #175)

1349, Sept. 9 or 10. Aquila has very disastrous earthquake (epic.), Avezzano, Cassino and Sora. Thousands of deaths, including 860 at Aquila. The monastery of Monte Cassino was destroyed. Perouse, Orvieto and Benevento have also suffered, but Rome and Naples much less. Intensity X 1/2 to XI. (reference #1093)

1349, Sept. 9 or 10. Italy, Aquila (Molise), and elsewhere in (Abruzzi) and in Sannium. Intensity III which corresponds to an earthquake which destroyed towns and devastated districts. (reference #1055)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1349The 1300sRecent 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 540.