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Authors: Falcucci, E.*
Gori, S.*
Peronace, E.*
Fubelli, G.*
Moro, M.*
Saroli, M.*
Giaccio, B.*
Messina, P.*
Naso, G.*
Scardia, G.*
Sposato, A.*
Voltaggio, M.*
Galli, P.*
Galadini, F.*
Title: The Paganica Fault and surface coseismic ruptures caused by the 6 april 2009 earthquake (L’Aquila, central Italy)
Title of journal: Seismological Research Letters
Series/Report no.: 6/80 (2009)
Publisher: Seismological Society of America
Issue Date: Nov-2009
DOI: 10.1785/gssrl.80.6.940
Keywords: Surface coseismic ruptures
Paganica Fault
Abstract: On 6 April 2009, at 01:32 GMT, an Mw 6.3 seismic event hit the central Apennines, severely damaging the town of L’Aquila and dozens of neighboring villages and resulting in approximately 300 casualties (Istituto Nazionale di Geofisica e Vulcanologia,; MedNet, dure/events/QRCMT/090406_013322/qrcmt.html). This earth- quake was the strongest in central Italy since the devastating 1915 Fucino event (Mw 7.0). The INGV national seismic net- work located the hypocenter 5 km southwest of L’Aquila, 8–9 km deep. Based on this information and on the seismotectonic framework of the region, earthquake geologists traveled to the field to identify possible surface faulting (Emergeo Working Group 2009a, 2009b). The most convincing evidence of pri- mary surface rupture is along the Paganica fault, the geometry of which is consistent with seismological, synthetic aperture radar (SAR) and GPS data. Investigation of other known nor- mal faults of the area, i.e., the Mt. Pettino, Mt. San Franco, and Mt. Stabiata normal faults suggested that these structures were not activated during the April 6 shock (Emergeo Working Group 2009a, 2009b). In this report, we first describe the seismotectonic frame- work of the area, and then we present the field information that supports the occurrence of surficial displacement on the Paganica fault.
Appears in Collections:04.04.09. Structural geology
04.07.07. Tectonics
04.06.06. Surveys, measurements, and monitoring
04.06.03. Earthquake source and dynamics
04.04.01. Earthquake geology and paleoseismology
04.06.01. Earthquake faults: properties and evolution
Papers Published / Papers in press

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