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  • 1
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    European–Mediterranean Regional Centroid Moment Tensor catalog: Solutions for 2005–2008 (2011)
    Elsevier
    Details
    Publication Date: 2011-04-01
    Print ISSN: 0031-9201
    Electronic ISSN: 1872-7395
    Topics: Geosciences , Physics
    Published by Elsevier
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    PAPER CURRENT
  • 2
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    Materiali per un catalogo dei terremoti italiani: revisione della sismicità minore del territorio nazionale (2008)
    Istituto Nazionale di Geofisica e Vulcanologia
    Details
    Publication Date: 2017-04-04
    Description: 1 CD-ROM allegato
    Description: Nel catalogo CPTI04 [Gruppo di Lavoro CPTI, 2004], un numero consistente di terremoti è tutt’ora privo di uno studio di riferimento recente. Nel corso di questo lavoro sono stati studiati 851 di questi terremoti: si tratta di eventi con Io tra il V-VI e il VII grado MCS, verificatisi dal 1198 al 1980 ma soprattutto nel Novecento, i cui parametri epicentrali derivano dal catalogo PFG [Postpischl, 1985a]. Questi eventi sono stati sottoposti a una sistematica revisione, adottando una procedura speditiva omogenea e rigorosa che ha permesso di elaborare nuovi parametri per 741 su 851 terremoti studiati. Nei restanti 110 casi lo studio ha portato a riconoscere 26 degli eventi studiati come inesistenti o estremamente dubbi. In 84 casi, infine, le informazioni storiche raccolte non sono risultate sufficienti per l’elaborazione di nuovi parametri. Il valore di intensità epicentrale è diminuito nel 72% dei casi e aumentato solo nel 4.5% di essi; il 50 % circa dei terremoti rivisti ha un’intensità epicentrale inferiore alla soglia attualmente adottata dal catalogo. Si notano anche significative variazioni nella localizzazione di alcuni dei terremoti rivisti. I risultati del lavoro sono riassunti in 851 schede di sintesi e circa 12.500 punti d’intensità osservati, che sono presentati in questo Quaderno insieme a una sintetica introduzione metodologica.
    Description: Published
    Description: 1-75
    Description: 5.1. TTC - Banche dati e metodi macrosismici
    Description: N/A or not JCR
    Description: open
    Keywords: catalogo dei terremoti italiani ; sismicità minore ; 04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
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    European–Mediterranean Regional Centroid Moment Tensor catalog: Solutions for 2005–2008 (2011)
    Elsevier
    Details
    Publication Date: 2017-04-04
    Description: Since 1997 we maintain and systematically update the European–Mediterranean Regional Centroid Moment Tensor (RCMT) catalog, which contains seismic-moment tensors for earthquakes with moderate magnitude (4.5〈M〈 5.5) in the Mediterranean and European regions. We present 354 new solutions for the period 2005–2008. The Catalog now spans 12 years and contains more than 1000 definitive RCMT solutions. In addition to definitive solutions, we maintain and update a dataset of recent ‘quick’ solutions that are computed soon after an earthquake occurs using the more limited set of data available in quasi- real time. We investigate the reliability of the moment tensor results in the RCMT catalog. Comparison with Global CMT results, which is possible for the larger events (M〈 5.0) in the RCMT catalog, shows that for 75% of the events, the Kagan angle measure of the similarity of two moment tensors is smaller than 20◦, reflecting good agreement of the results. We describe improvements and enhancements in the dissemination of the RCMT results through our website.
    Description: Published
    Description: 74-81
    Description: 3.1. Fisica dei terremoti
    Description: 3.2. Tettonica attiva
    Description: JCR Journal
    Description: restricted
    Keywords: Seismic moment tensors ; Seismicity European–Mediterranean region ; 05. General::05.02. Data dissemination::05.02.02. Seismological data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
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    Standardization of Seismic Tomographic Models and Earthquake Focal Mechanisms Datasets Based on Web Technologies, Visualization with Keyhole Markup Language (2010)
    Elsevier
    Details
    Publication Date: 2017-04-04
    Description: We present two projects in seismology that have been ported to web technologies, which provide results in Keyhole Markup Language (KML) visualization layers. These use the Google Earth geo-browser as the flexible platform that can substitute specialized graphical tools to perform qualitative visual data analyses and comparisons. The Network of Research Infrastructures for European Seismology (NERIES) Tomographic Earth Model Repository contains datasets from over 20 models from the literature. A hierarchical structure of folders that represent the sets of depths for each model is implemented in KML, and this immediately results into an intuitive interface for users to navigate freely and to compare tomographic plots. The KML layer for the European-Mediterranean Regional Centroid-Moment Tensor Catalog displays the focal mechanism solutions or moderate magnitude Earthquakes from 1997 to the present. Our aim in both projects was to also propose standard representations of scientific datasets. Here, the general semantic approach of XML has an important impact that must be further explored, although we find the KML syntax to be more shifted towards detailed visualization aspects. We have thus used, and propose the use of, Javascript Object Notation (JSON), another semantic notation that stems from the web-development community that provides a compact, general-purpose, data-exchange format.
    Description: In press
    Description: 3.1. Fisica dei terremoti
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: 5.2. TTC - Banche dati di sismologia strumentale
    Description: JCR Journal
    Description: restricted
    Keywords: seismology ; geophysics ; json ; googleEarth ; kml ; xml ; web standards ; semantic data ; 04. Solid Earth::04.02. Exploration geophysics::04.02.06. Seismic methods ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy ; 04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis ; 05. General::05.02. Data dissemination::05.02.99. General or miscellaneous ; 05. General::05.02. Data dissemination::05.02.02. Seismological data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
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    Materiali per un catalogo dei terremoti italiani: eventi sconosciuti, rivalutati o riscoperti (2012)
    INGV Istituto Nazionale di Geofisica e Vulcanologia
    Details
    Publication Date: 2017-04-04
    Description: The large-scale studies of historical seismology carried out in Italy and Europe in the last decades were mostly aimed at improving knowledge about earthquakes that were already listed in the extant parametric catalogues, rather than at identifying earthquakes that were not listed in them. From 1992 onwards, some of the authors of this study started to look for such “forgotten” earthquakes in different ways (by systematic surveys of serial historical sources, or by extensive investigation of local records in selected areas). More than 2000 pieces of evidence related to as many earthquakes not listed by any seismological compilations/catalogues were thus identified. In 2003 all resources were pooled in a common effort, meant to complete the revision of minor “known” earthquakes carried out by Molin et al. [2008] with a study of the most relevant “unknown” earthquakes identified so far. We present here the results of the analysis of 227 damaging earthquakes, 155 of which are “unknown” to the seismological tradition. Other 72 events were listed in the Postpischl [1985] catalogue, but not in newer parametric catalogues, no evidence of damage being available for them at the time: such evidence has now been found and, in 21 cases at least, it allows for a significant re-evaluation of macroseismic intensity.
    Description: Published
    Description: 1-53
    Description: 5.1. TTC - Banche dati e metodi macrosismici
    Description: N/A or not JCR
    Description: open
    Keywords: Parametric catalogue ; Historical Seismology ; Historical sources ; Forgotten and unknown earthquakes ; 05. General::05.02. Data dissemination::05.02.02. Seismological data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
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    Standardization of Seismic Tomographic Models and Earthquake Focal Mechanisms Datasets Based on Web Technologies, Visualization with Keyhole Markup Language (2012)
    Elsevier
    Details
    Publication Date: 2017-04-04
    Description: We present two projects in seismology that have been ported to web technologies, which provide results in Keyhole Markup Language (KML) visualization layers. These use the Google Earth geo-browser as the flexible platform that can substitute specialized graphical tools to perform qualitative visual data analyses and comparisons. The Network of Research Infrastructures for European Seismology (NERIES) Tomographic Earth Model Repository contains datasets from over 20 models from the literature. A hierarchical structure of folders that represent the sets of depths for each model is implemented in KML, and this immediately results into an intuitive interface for users to navigate freely and to compare tomographic plots. The KML layer for the European-Mediterranean Regional Centroid-Moment Tensor Catalog displays the focal mechanism solutions or moderate magnitude Earthquakes from 1997 to the present. Our aim in both projects was to also propose standard representations of scientific datasets. Here, the general semantic approach of XML has an important impact that must be further explored, although we find the KML syntax to be more shifted towards detailed visualization aspects. We have thus used, and propose the use of, Javascript Object Notation (JSON), another semantic notation that stems from the web-development community that provides a compact, general-purpose, data-exchange format.
    Description: Published
    Description: 47-56
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: open
    Keywords: seismology ; geophysics ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
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    Looking for missing earthquake traces in the Ferrara-Modena plain: an update on historical seismicity (2012)
    Istituto Nazionale di Geofisica e Vulcanologia
    Details
    Publication Date: 2017-04-04
    Description: The area most affected by the May-June 2012 Emilia sequence has a centuries-old seismic history with comparatively moderate maximum magnitude values, on a par with those on record in the nearby Reggiano-Parmense area but less significant than those known to occur in the northern Apennines and greatly lower than those on record in the most seismically active zones of the Italian peninsula. According to the latest issue of the Italian seismic catalogue (Rovida et al., 2011) Mw~5.5 earthquakes are known to have occurred near Ferrara (1346, 1561) and in the areas of Finale Emilia-Bondeno (1574, 1908, 1986), Mantua (1901) and Cento (1922). This picture might be incomplete, as suggested by the recent discovery of a previously unknown earthquake occurred in 1639 with I max 7-8 MCS in Finale Emilia (Camassi et al., 2011b).The incompleteness of the current picture of local seismicity is shown by a number of previously unknown, moderately damaging local earthquakes retrieved by recent studies: a few particularly interesting cases are described.
    Description: Published
    Description: 519-524
    Description: 3.10. Storia ed archeologia applicate alle Scienze della Terra
    Description: JCR Journal
    Description: reserved
    Keywords: Historical seismology ; Seismic risk ; Emilia Romagna ; Seismic history ; 04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
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    European–Mediterranean Regional Centroid Moment Tensor catalog: Solutions for 2005–2008 (2011)
    In:  Physics of the Earth and Planetary Interiors
    Details
    Publication Date: 2020-02-12
    Description: Since 1997 we maintain and systematically update the European–Mediterranean Regional Centroid Moment Tensor (RCMT) catalog, which contains seismic-moment tensors for earthquakes with moderate magnitude (4.5 〈 M 〈 5.5) in the Mediterranean and European regions. We present 354 new solutions for the period 2005–2008. The Catalog now spans 12 years and contains more than 1000 definitive RCMT solutions. In addition to definitive solutions, we maintain and update a dataset of recent ‘quick’ solutions that are computed soon after an earthquake occurs using the more limited set of data available in quasi-real time. We investigate the reliability of the moment tensor results in the RCMT catalog. Comparison with Global CMT results, which is possible for the larger events (M 〈 5.0) in the RCMT catalog, shows that for 75% of the events, the Kagan angle measure of the similarity of two moment tensors is smaller than 20°, reflecting good agreement of the results. We describe improvements and enhancements in the dissemination of the RCMT results through our web site.
    Language: English
    Type: info:eu-repo/semantics/article
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