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  • Articles  (2)
  • 04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology  (2)
  • AIQUA  (1)
  • Blackwell Publishing Ltd
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  • Articles  (2)
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  • 1
    facet.materialart.
    Unknown
    Evidence of seismic deformation of the paved floor of the decumanus at Tindari (NE, Sicily) (2008)
    Blackwell Publishing Ltd
    Details
    Publication Date: 2017-04-04
    Description: Most of the ancient town of Tindari (NE, Sicily) was settled on a plateau the most surficial layer of which was made of unconsolidated material. Ongoing excavations at the archaeological site at Tindari uncovered a large portion of the decumanus which suffered deformations preliminarily assigned to coseismic effects. An analysis of the local dynamic response through the simulation of strong seismic shaking to the bedrock and modelling of spectral ratios of the bedrock-soft soil was carried out to verify the susceptibility of superficial terrains of the promontory to coseismic deformations. To perform this simulation the finite element method (FEM) was used. Four accelerometric recordings of three earthquakes of medium-high magnitude, recorded on rocky sites, were chosen to simulate the seismic shaking, using a constitutive law for the materials composing the promontory layers both of linear-elastic type and of elastoplastic type. The analysis of the linear-elastic field allowed the definition of the frequencies for which the spectral ratios of the accelerations recorded the highest amplifications; in particular the frequency range 31.5–37.2 Hz can be combined with deformation of the paved floor of the decumanus. The analysis in the elastoplastic field highlighted the zones of promontory more susceptible to suffer plasticization process. The results show that the topmost layer of the decumanus is the most susceptible to suffer plasticization. Therefore, the performed analysis lends greater support to the hypothesis that the deformations were produced by seismic shaking.
    Description: Published
    Description: 213-222
    Description: 3.10. Sismologia storica e archeosismologia
    Description: JCR Journal
    Description: reserved
    Keywords: Fourier analysis ; Elasticity and anelasticity ; Earthquake ground motions ; Site effects ; Computational seismology ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous ; 04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
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    PAPER (OA)
  • 2
    facet.materialart.
    Unknown
    Studio macrosismico del terremoto dell’Aquilano del 24 giugno 1958 (2008)
    AIQUA
    Details
    Publication Date: 2017-04-04
    Description: Questo lavoro presenta lo studio di revisione del terremoto che colpì la Media Valle dell’Aterno il 24 giugno 1958 con magnitudo pari a 5.0. Scopo della ricerca è quello di completare il quadro delle conoscenze su questo evento poco noto, ed inquadrarlo nel contesto della sismicità di area e in un possibile schema sismotettonico della Valle dell’Aterno. La revisione dei dati macrosismici ha contribuito a incrementare largamente il numero di località del piano quotato conosciuto dal Catalogo Parametrico dei Terremoti Italiani, portandolo da 14 a 223, ed a proporre nuovi parametri di sorgente del terremoto. L’intensità massima è lievemente diminuita rispetto a quanto noto finora, mentre risulta aumentato il numero delle località oltre la soglia del danno.
    Description: Published
    Description: 101-112
    Description: 3.10. Sismologia storica e archeosismologia
    Description: N/A or not JCR
    Description: reserved
    Keywords: macrosismica, Media Valle dell’Aterno, sismotettonica, sismicità storica ; 04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
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    PAPER (OA)
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