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  • 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring  (8)
  • 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous  (3)
  • Antarctica  (3)
  • Earthquake catalog
  • TF III
  • ddc:550
Collection
  • 1
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    In:  Phys. Earth Plan. Int., Stockholm, Wissenschaftliche Buchgesellschaft, vol. 130, no. 1-2, pp. 71-101, pp. L15318, (ISSN: 1340-4202)
    Publication Date: 2002
    Keywords: Earthquake catalog ; Moment tensor ; Fault plane solution, focal mechanism ; PEPI ; Ekstroem ; Ekstrom ; Dziewonski
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  • 2
    Publication Date: 2006
    Keywords: TF III ; Task Force III ; Lithosphere-Astenosphere Interactions
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  • 3
    Publication Date: 2006
    Keywords: TF III ; Task Force III ; Lithosphere-Astenosphere Interactions
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  • 4
    Publication Date: 2006
    Keywords: TF III ; Task Force III ; Lithosphere-Astenosphere Interactions
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  • 5
    Publication Date: 2021-04-20
    Description: Alle ore 02.03 UTC di domenica 20 maggio 2012, la Rete Sismica Nazionale (RSN [Amato and Mele, 2008; Delladio, 2011]) dell’Istituto Nazionale di Geofisica e Vulcanologia (INGV) ha registrato un evento simico di magnitudo locale 5.9 che è stato avvertito in gran parte dell’Italia centro-settentrionale; l’evento è stato localizzato sotto la valle del Po in Emilia (44.89° N, 11.23° E e 6.3 km di profondità). Subito dopo la scossa principale, è stato attivato il Pronto Intervento Sismico dell’INGV al fine di installare una rete sismica temporanea ad integrazione delle stazioni permanenti già presenti in area epicentrale. Grazie alla collaborazione fra le sedi INGV di Ancona, Arezzo, Bologna, Irpinia (Grottaminarda), Milano, Pisa e Roma sono state installate 44 stazioni temporanee, di cui 10 in trasmissione real-time con la sala di sorveglianza simica della sede di Roma. Contemporaneamente altre 38 stazioni sismiche temporanee sono state inoltre installate dal Dipartimento della Protezione Civile – DPC (16 stazioni strong motion), dall’Istituto Nazionale di Oceanografia e di Geofisica Sperimentale – OGS (8 stazioni stand-alone) e da enti francesi (14 stazioni stand-alone). In una seconda fase, l’8 giugno 2012, è stato attivato anche il Centro Operativo Emergenza Sismica (COES [Moretti et al., 2010a]), all’interno della Direzione di Comando e Controllo (Di.Coma.C.) del DPC predisposto presso l’Agenzia della Protezione Civile Regionale dell’Emilia Romagna (Bologna). L’allestimento e il coordinamento della struttura sono stati realizzati grazie alla collaborazione tra il Centro Nazionale Terremoti (CNT) e la Sezione di Bologna. Il COES ha garantito la comunicazione costante e diretta con i funzionari DPC presenti nell'area epicentrale. Allo stesso tempo, la struttura è stata proposta come supporto logistico per tutti i colleghi dell’INGV impegnati in attività nella zona epicentrale (reti sismiche Mobili, EMERSITO, GPS, EMERGEO, QUEST) e per sostenere il servizio dedicato alla “Comunicazione e Informazione” promosso a favore delle popolazioni colpite, degli operatori della protezione civile e dei volontari di soccorso. In questo lavoro saranno descritte le attività svolte nel primo mese di emergenza, le modalità e le tempistiche dell’intervento, le strutture coinvolte.
    Description: Published
    Description: 1-43
    Description: 1.1. TTC - Monitoraggio sismico del territorio nazionale
    Description: N/A or not JCR
    Description: open
    Keywords: Emilia 2012 sequence ; Seismic networks ; Seismological data ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
    Publication Date: 2020-12-18
    Description: no abstract
    Description: Published
    Description: 615-621
    Description: 1.1. TTC - Monitoraggio sismico del territorio nazionale
    Description: JCR Journal
    Description: restricted
    Keywords: Earthquake source ; Wave analysis ; Seismic moment tensor ; Data processing ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
    Publication Date: 2021-04-20
    Description: The project Retreating-trench, extension, and accretion tectonics, RETREAT, is a multidisciplinary study of the Northern Apennines (earth.geology.yale.edu/RETREAT/), funded by the United States National Science Foundation (NSF) in collaboration with the Italian Istituto Nazionale di Geofisica e Vulcanologia (INGV) and the Grant Agency of the Czech Academy of Sciences (GAAV). The main goal of RETREAT is to develop a self-consistent dynamic model of syn-convergent extension, using the Northern Apennines as a natural laboratory. In the context of this project a passive seismological experiment was deployed in the fall of 2003 for a period of three years. RETREAT seismologists aim to develop a comprehensive understanding of the deep structure beneath the Northern Apennines, with particular attention on inferring likely patterns of mantle flow. Specific objectives of the project are the crustal and lithospheric thicknesses, the location and geometry of the Adriatic slab, and the distribution of seismic anisotropy laterally and vertically in the lithosphere and asthenosphere. The project is collecting teleseismic and regional earthquake data for 3 years. This contribution describes the RETREAT seismic deployment and reports on key results from the first year of the deployment. We confirm some prior findings regarding the seismic structure of Central Italy, but our observations also highlight the complexity of the Northern Apennines subduction system.
    Description: JCR Journal
    Description: open
    Keywords: temporary seismological network ; subduction geometry ; upper mantle fabric ; seismic anisotropy ; 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 4184318 bytes
    Format: application/pdf
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  • 8
    Publication Date: 2017-04-04
    Description: Abstract. Teleseismic data recorded by temporary and permanent stations located in the Northern Victoria Land region are analysed in order to identify the presence and location of seismic anisotropy. We work on data recorded by 24 temporary seismographic stations deployed between 1993 and 2000 in different zones of the Northern Victoria Land, and by the permanent very broad-band stations TNV located near the Italian Base M. Zucchelli. The temporary networks monitored an area extending from Terra Nova Bay towards the South beyond the David Glacier and up to the Indian Ocean northward. To better constrain our study, we also provide an analysis of data recorded by TNV in the same period of time and we take into account also SKS shear wave splitting measurements performed by Barruol and Hoffman (1999) on data recorded by DRV. This study, to be considered as preliminary, reveals the presence of seismic anisotropy below the study region, with a mainly NW-SE fast velocity direction below the Terra Nova Bay area and rather large delay times, that mean a deep rooted anisotropic layer.
    Description: Published
    Description: 153-160
    Description: open
    Keywords: Seismic anisotropy ; Antarctica ; 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
    Format: 783740 bytes
    Format: application/pdf
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  • 9
    Publication Date: 2017-04-04
    Description: We present shear-wave splitting results obtained from analysis of core refracted teleseismic phases recorded by permanent and temporary seismographic stations located in the Victoria Land region (Antarctica). We used eigenvalue technique to linearize the rotated and shifted shear-wave particle motion, in order to determine the best splitting parameters. A well-scattered distribution of single shear-wave measurements has been obtained. Average values show clearly that dominant fast axis direction is NE-SW oriented, accordingly with previous measurements obtained around this zone. Only two stations, OHG and STAR show different orientations, with N-S and NNW-SSE main directions. On the basis of the periodicity of single shear-wave splitting measurements with respect to back-azimuths of events under study, we inferred the presence of lateral and vertical changes in the deep anisotropy direction. To test this hypothesis we have modelling waveforms using a cross-convolution technique in one and two anisotropic layer's cases. We obtained a significant improvement on the misfit in the double layer case for the cited couple of stations. For stations where a multi-layer structure does not fit, we looked for evidences of lateral anisotropy changes at depth through Fresnel zone computation. As expected, we find that anisotropy beneath the Transantarctic Mountains (TAM) is considerably different from that beneath the Ross Sea. This feature influences the measurement distribution for the two permanent stations TNV and VNDA. Our results show a dominant NE-SW direction over the entire region, but other anisotropy directions are present and find an interpretation when examined in the context of regional tectonics.
    Description: Submitted
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: open
    Keywords: Antarctica ; Shear-wave splitting ; Seismic Anisotropy ; Mantle processes ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: manuscript
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  • 10
    Publication Date: 2017-04-04
    Description: Questa nota presenta una sintesi delle attività svolte durante il rilievomacrosismico del terremoto avvenuto tra le province di Parma e Reggio Emilia il 23 dicembre 2008. La scossa di Ml 5.2 è stata localizzata a sud di Parma ed è stata avvertita in tutta l’Italia settentrionale e in gran parte della Liguria e della Toscana. Il presente rapporto illustra lemodalità di intervento del teamQUEST, relative al rilievo degli effetti e alla valutazione in intensità MCS in particolare per le località della zona epicentrale. L’ampia documentazione fotografica illustra alcuni dettagli delle tipologie di danneggiamento rilevate e consente di comprendere meglio le valutazioni dell’intensità macrosismica. This paper presents an overview of the activities performed during the macroseismic field survey of the earthquake that occurred in the Parma and Reggio Emilia region on December 23, 2008. The mainshock (Ml=5.2), was located south of the city of Parma and was resolutely felt through Northern Italy. The report here presented shows the procedures carried out by QUEST (Quick Earthquake Survey Team), concerning the survey. QUEST has been engaged in gathering the damage information and in assessing the macroseismic intensity, in particular about the epicentral area. A copious photo collection shows details of the observed damage nature and allows to better illustrate the intensity
    Description: Published
    Description: 1-41
    Description: 5.1. TTC - Banche dati e metodi macrosismici
    Description: N/A or not JCR
    Description: open
    Keywords: rilievo macrosismico ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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