The 2009 central Italy earthquake seen through 0.5 Myr-long tectonic history of the L'Aquila faults system (Articolo in rivista)

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Label
  • The 2009 central Italy earthquake seen through 0.5 Myr-long tectonic history of the L'Aquila faults system (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.quascirev.2010.08.018 (literal)
Alternative label
  • Galli P.; Giaccio B.; Messina P. (2010)
    The 2009 central Italy earthquake seen through 0.5 Myr-long tectonic history of the L'Aquila faults system
    in Quaternary science reviews
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Galli P.; Giaccio B.; Messina P. (literal)
Pagina inizio
  • 3768 (literal)
Pagina fine
  • 3789 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1016/j.quascirev.2010.08.018 (literal)
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  • 29 (literal)
Rivista
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  • DOI: 10.1016/J.QUASCIREV.2010.08.018 (literal)
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  • 21 (literal)
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  • 27-28 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Galli P., Dipartimento Protezione Civile Nazionale, Rome, Italy. Giaccio B., Istituto di Geologia Ambientale e Geoingegneria, Consiglio Nazionale delle Ricerche (CNR), Monterotondo Scalo, Rome, Italy. Messina P., Istituto di Geologia Ambientale e Geoingegneria, Consiglio Nazionale delle Ricerche (CNR), Monterotondo Scalo, Rome, Italy. (literal)
Titolo
  • The 2009 central Italy earthquake seen through 0.5 Myr-long tectonic history of the L'Aquila faults system (literal)
Abstract
  • On 6 April, 2009, a Mw 6.3 earthquake struck L'Aquila and dozens of neighbouring villages (Abruzzo, central Italy) causing 308 deaths and with thousands injured. Within Italian seismicity, this was the strongest event since 1980 (Irpinia; Mw 6.9), and the first located so close to a large city since 1908 (Messina; Mw 7.3). Consistent data from an integrated approach (including stratigraphy, geomorphology, tephrochronology and paleoseismology) have allowed us to identify a 19-km-long, hitherto poorly known structure as being responsible for this earthquake (Paganica-San Demetrio fault system, PSDFS). The fingerprinting of four well-dated tephra layers and a detailed outline of the geomorphological and stratigraphic setting have provided the basis for assessing the behaviour of the PSDFS since its early activity, here dated at least ca 500 ka, to the present. The slip rate of the structure, calculated over different time windows, has fluctuated slightly ca 0.5 mm/yr. Paleoseismological analyses revealed the traces of the last surface-faulting events; thus, we unambiguously recognise the offset associated with the Mw 6.7 earthquake of 1703, which was previously related to other conterminous structures, along with an older comparable strong event, speculatively ascribed to an event purely known as the AD 801 central Apennine earthquake. This study shows that a long-term to short-term integrated approach is crucial in seismic hazard evaluation, especially when dealing with fault systems that are difficult to trace geomorphically, despite being capable of generating 2009-like earthquakes or even stronger events when conterminous structures are also involved. (literal)
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