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Strong-Ground-Motion Simulation of the 6 April 2009 L'Aquila, Italy, Earthquake

2012-08-01
Ugurhan, Beliz
Askan Gündoğan, Ayşegül
Akinci, Aybige
Malagnini, Luca
On 6 April 2009, an earthquake of M-w 6.13 (Herrmann et al., 2011) occurred in central Italy, close to the town of L'Aquila. Although the earthquake is considered to be a moderate-size event, it caused extensive damage to the surrounding area. The earthquake is identified with significant directivity effects: high-amplitude, short-duration motions are observed at the stations that are oriented along the rupture direction, whereas low-amplitude, long-duration motions are observed at the stations oriented in the direction opposite to the rupture. The complex nature of the earthquake combined with its damage potential brings the need for studies that assess the seismological characteristics of the 2009 L'Aquila mainshock.