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Authors: Dell'Acqua, F.* 
Bignami, C.* 
Chini, M.* 
Lisini, G.* 
Polli, D.* 
Stramondo, S.* 
Title: Earthquake rapid mapping by satellite remote sensing data: L’Aquila April 6th, 2009 event
Issue Date: Sep-2011
Series/Report no.: 4/4 (2011)
DOI: 10.1109/JSTARS.2011.2162721
Keywords: L'Aquila earthquake
damage mapping
VHR optical
data fusion
Subject Classification04. Solid Earth::04.06. Seismology::04.06.04. Ground motion 
Abstract: Destructive earthquakes challenge Earth Observation (EO) systems to demonstrate their usefulness in supporting intervention and relief actions. The use of EO data in a disaster context has been widely investigated from a theoretical point of view, but only recently the developed methods seem to have reached near to the operational use. In this paper a case study on the April 6th, 2009 earthquake (M=6.3) event, which stroke L’Aquila, Italy, is presented and commented. Although damage to the city was not extremely extensive, the case is interesting because it was handled by the authors in a real-time, emergency context. A new data fusion approach, between SAR and optical data, has been proposed. It shows that optical data are more suitable to distinguish between damage and non-damage classes, while SAR textures features allow to better distinguishing different classes of damages at block scale such as low and heavy damage.
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