Paleoseismic investigation of historical liquefactions along the Ionian coast of sicily

P. Guarnieri, C. Pirrotta, M. S. Barbano, P. M. De Martini, D. Pantosti, F. Gerardi, A. Smedile

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7 Citationer (Scopus)

Abstrakt

Eastern Sicily is an area where some of the most catastrophic earthquakes in Italian history occurred. As reported by historical sources, these earthquakes induced liquefaction phenomena. In two areas along the Ionian coast of Sicily we found liquefaction evidence in Holocene deposits. In the Minissale site (east of Mount Etna), the observed liquefaction features can be related to the 1169 and 1693 earthquakes, while in the Agnone site (south of Catania), the deformational structures can be tentatively associated to the 1542 and 1693 events. Both sites locate in areas where historical liquefaction has been observed in the past, thus confirming the actual liquefaction susceptibility/potential in this region. The evidence of repeated liquefaction events at the same site, highlights the relevance of the paleoseismic approach for modeling the recurrence time and preparing scenarios of seismic effects in eastern Sicily, where seismogenic sources are scantly defined.

OriginalsprogEngelsk
Sider (fra-til)68-79
Antal sider12
TidsskriftJournal of Earthquake Engineering
Vol/bind13
Udgave nummer1
DOI
StatusUdgivet - jan. 2009

Programområde

  • Programområde 4: Mineralske råstoffer

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