Rapporto Preliminare Sulle Attività Svolte Nel Primo Mese Di Emergenza Dal Gruppo Operativo Sismiko A Seguito Del Terremoto Di Amatrice Mw 6.0 (24 Agosto 2016, Italia Centrale)

Moretti, Milena; Pondrelli, Silvia; Margheriti, Lucia; Abruzzese, Luigi; Anselmi, Mario; Baccheschi, Paola; Bono, Andrea; Bucci, Augusto; Buttinelli, Mauro; Capello, Marco; Cardinale, Vincenzo; Castagnozzi, Angelo; Cattaneo, M.; Cecere, Gianpaolo; Chiaraluce, L.; Cimini, G. B.; Cogliano, Rocco; Colasanti, G.; Colasanti, Marco; Criscuoli, F.; D’Alema, Ezio; D’Ambrosio, Ciriaco; Danecek, Peter; Luca, Gaetano De; Luca, Giovanni De; Falco, Luigi; Fares, Massimo; Frapiccini, Massimo; Frepoli, A.; Giandomenico, Edoardo; Giovani, L.; Giunchi, C.; Govoni, Aladino; Ladina, Chiara; Lauciani, Valentino; Mandiello, Alfonso Giovanni; Marzorati, S.; Massa, Marco; Memmolo, Antonino; Migliari, Franco; Minichiello, Felice; Monachesi, G.; Moschillo, R.; Murphy, S. M.; Pagliuca, Nicola Mauro; Piccinini, D.; Piccolini, Ulderico; Pintore, Stefano; Rao, Sandro; Saccorotti, Gilberto; Serratore, A.; Silvestri, Marcello; Silvestri, Stefano; Vallocchia, Massimiliano; Valoroso, Luisa

doi:10.5281/zenodo.157546

2016

DOI: 10.5281/zenodo.157546

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Rapporto Preliminare Sulle Attività Svolte Nel Primo Mese Di Emergenza Dal Gruppo Operativo Sismiko A Seguito Del Terremoto Di Amatrice Mw 6.0 (24 Agosto 2016, Italia Centrale)

Milena Moretti¹,

Silvia Pondrelli²,

Lucia Margheriti³

et al.

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Local site effects estimation at Amatrice (Central Italy) through seismological methods

Milana

Cultrera

Bordoni

et al. 2019

Bull Earthquake Eng

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We present the results of seismological and geophysical investigations performed by the "Istituto Nazionale di Geofisica e Vulcanologia" team operating in Amatrice village (Central Italy), in the emergency phases following the Mw 6.0 event of August 24th 2016, that caused severe damage in downtown and surrounding areas. Data from seven seismic stations equipped with both weak and strong motion sensors are analyzed in terms of standard spectral ratio to empirically define amplification function using a bedrock reference site. Ambient vibration spectral ratios between horizontal and vertical component of motion are also evaluated in a large number of sites, spread out in the investigated area, to recover the resonance frequency of the soft soil outcropping layers and to generalize the results obtained by earthquake data. Ambient noise vibration are also used for applying a 2D array approach based on surface waves techniques in order to define the near-surface velocity model and to verify its lateral variation. The results allows to better understand the amplification factors in the investigated area, showing spatial variation of site effects despite of the homogeneous shallow geological condition indicated by the microzonation studies available at moment of the described field campaign. The analysis reveals a diffuse amplification effect which reaches its maximum values in downtown area with a resonant frequency of about 2 Hz. The obtained results were used to integrate the microzonation studies and they can be used for urban planning and reconstruction activities.

show abstract

Local site effects estimation at Amatrice (Central Italy) through seismological methods

Milana

Cultrera

Bordoni

et al. 2019

Bull Earthquake Eng

View full text Add to dashboard Cite

show abstract

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Rapporto Preliminare Sulle Attività Svolte Nel Primo Mese Di Emergenza Dal Gruppo Operativo Sismiko A Seguito Del Terremoto Di Amatrice Mw 6.0 (24 Agosto 2016, Italia Centrale)

Cited by 1 publication

References 0 publications

Local site effects estimation at Amatrice (Central Italy) through seismological methods

Local site effects estimation at Amatrice (Central Italy) through seismological methods

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