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An earthquake measuring 6.3 Mw struck near L'Aquila in the central Italian region of Abruzzo, killing 308 people and leaving more than 66,000 homeless.
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2009 L'Aquila earthquake
Earthquake in Abruzzo, Italy
An earthquake occurred in the region of Abruzzo, in central Italy, at 03:32 CEST on 6 April 2009. It was rated 5.8 or 5.9 on the Richter scale and 6.3 on the moment magnitude scale; its epicentre was near L'Aquila, the capital of Abruzzo, which together with surrounding villages…Source: Wikipedia (CC BY-SA)
Moment magnitude scale
Measure of earthquake size, in terms of the energy released
The moment magnitude scale is a measure of an earthquake's magnitude based on its seismic moment. Mw was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori. Similar to the local magnitude/Richter scale (ML ) defined by Charles Francis Richter in 1935, it uses a…Source: Wikipedia (CC BY-SA)
L'Aquila
Comune in Abruzzo, Italy
L'Aquila is the capital city of the region of Abruzzo in central Italy. With 70,421 inhabitants as of 2025, it is also the second-largest city in the region. Laid out within medieval walls on a hill in the wide valley of the Aterno river, it is surrounded by the Apennine…Source: Wikipedia (CC BY-SA)
Abruzzo
Region in southern Italy
Abruzzo, historically also known as Abruzzi, is a region of Southern Italy with an area of 10,763 square km and a population of 1.3 million. It is divided into four provinces: L'Aquila, Teramo, Pescara, and Chieti. Its western border lies 80 km (50 mi) east of Rome. Abruzzo…Source: Wikipedia (CC BY-SA)