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  • 1
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    Propagation of strike-slip faults across Holocene volcano-sedimentary deposits, Pasto, Colombia (2005)
    In:  Journal of Structural Geology, pp. 1838-1855, vol. 27, no. 10
    Details
    Publication Date: 2005
    Keywords: TF II ; Task Force II ; New tectonic causes of volcano failure
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  • 2
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    Trenching studies of active faults in Kamchatka, eastern Russia: Palaeoseismic, tectonic and hazard implications (2006)
    In:  Tectonophysics, pp. 285-304, vol. 417, no. 3-4
    Details
    Publication Date: 2006
    Keywords: TF II ; Task Force II ; New tectonic causes of volcano failure
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  • 3
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    Holocene kinematics, slip-rate and segmentation of a Cordillera-parallel main transcurrent fault: The Cayambe-Afiladores-Sibundoy system, NW South America (2006)
    In:  Journal of Strutural Geology
    Details
    Publication Date: 2006
    Keywords: TF II ; Task Force II ; New tectonic causes of volcano failure
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  • 4
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    AM(eri)Go: alla scoperta degli effetti dei terremoti nelle Marche (2021)
    Details
    Publication Date: 2021-01-05
    Description: Servizio Protezione Civile - Regione Marche ( Convenzione quadro INGV Regione Marche 2011-2020)
    Description: Published
    Description: 4T. Sismicità dell'Italia
    Keywords: Seismic scenarios ; Intensity points ; Historical Umbria-Marche earthquakes ; 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: web product
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  • 5
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    Evidence of active inverse faulting in the north-eastern sector of the Calabrian arc (Italy) (2008)
    Details
    Publication Date: 2021-06-03
    Description: The Calabrian arc represents an accretionary wedge located between the southern Apennines and the Maghrebian chain from which it is separated by two regional shear zones, i.e. the “Pollino Line” and “Taormina Line”, respectively. Since the Pliocene, extension affected the Calabrian chain, determining the formation of normal faults systems. Paleoseismological investigations allowed to associate some of the strongest historical earthquakes occurred in the Calabrian region (Mw up to 7.5) to some of these normal faults. We analyse the north-eastern sector of the arc which is characterised by a complex structural setting, being affected by the Pollino Line. Indeed, an ~E-W trending fault system (Rossano Fault) cut the area. This fault system displays a complex kinematic history, with the superimposition, during the Quaternary, of a normal kinematics over an older strike-slip one. About two km SE of the Mirto village, an excavation exposed marine deposits, attributed by means of paleontological analyses to an age not older than the Lower Pleistocene, overlain by alluvial-colluvial sediments. These deposits have been deformed by a compressive, NW-SE trending fault, verging landwards. The continental sediments affected by the fault have been radiocarbon dated between 10.018±43 BP and 8397±47 BP. This fault may represent the surficial expression of 1) a splay of a back-thrust, related to a main active thrust verging towards NE or 2) an active NW-SE transpressive fault or 3) a local compressive deforma-tion (i.e. a restraining bend) related to an active strike-slip fault. Works are still in progress in order to define the relationship of this compressive fault with the near Rossano fault, to which Galli et al (2006d) attributes a Late Holocene normal activity, considering that this sector has been struck in 1836 by a strong earthquake (Mw=6.2), the causative fault of which has been only tentatively related to the aforementioned Rossano fault.
    Description: Published
    Description: Crete, Greece
    Description: 3.2. Tettonica attiva
    Description: open
    Keywords: active inverse faulting ; Calabrian arc ; 1836 earthquake ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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  • 6
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    Style of faulting of expected earthquakes in Italy as an input for seismic hazard modeling (2020)
    EGU - Copernicus
    Details
    Publication Date: 2020-12-18
    Description: Tectonic styles and distributions of nodal planes are an essential input for probabilistic seismic hazard assessment. As a part of a recent elaboration of a new seismic hazard model for Italy, we adopted a cascade criteria approach to parametrize the tectonic style of expected earthquake ruptures and their uncertainty in an area-based seismicity model. Using available or recomputed seismic moment tensors for relevant seismic events (Mw starting from 4.5), first arrival focal mechanisms for less recent earthquakes, and also geological data on past activated faults, we collected a database for the last ~ 100 yrs gathering a thousand of data all over the Italian peninsula and regions around it. The adopted procedure consists, in each seismic zone, of separating the available seismic moment tensors in the three main tectonic styles, making summation within each group, identifying possible nodal plane(s) taking into account the different percentages of tectonic styles and including, where necessary, total or partial random source contributions. Referring to the used area source model, for several seismic zones we obtained robust results, e.g. along the southern Apennines we expect future earthquakes to be mostly extensional, although in the outer part of the chain strike-slip events are possible. In the Northern part of the Apennines we also expect different tectonic styles for different hypocentral depths. In zones characterized by a low seismic moment release, the possible tectonic style of future earthquakes is less clear and it has been represented using different combination (total or partial) of random sources.
    Description: Published
    Description: 3577–3592
    Description: 6T. Studi di pericolosità sismica e da maremoto
    Description: JCR Journal
    Keywords: 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
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    Evidenze di fagliazione inversa quaternaria nel settore ionico nord-orientale della Calabria (Rossano Calabro) (2008)
    Details
    Publication Date: 2021-06-03
    Description: Il settore dell’arco Calabro è interessato da sistemi di faglie normali attive, responsabili di forti terremoti storici di Magnitudo superiore a 6. Gli eventi sismici maggiori sono avvenuti principalmente tra lo stretto di Messina e la valle del Crati. Tra questi il terremoto del 1783 (M=6.9), del 1905 (M=7.3), del 1638 (M=6.7), del 1832 (M=6.5) e del 1836 (M=6.2) (Working Group CPTI 04). Alcuni di questi eventi sono stati associati all’attivazione di alcune strutture tettoniche (Galli & Scionti 2006; Galli & Bosi 2002; Valensise & Pantosti 2001). L’evento del 1836, che ha colpito il settore nord-orientale della Calabria, poco a sud della piana di Sibari, è stato associate tentativamente da Moretti (2000) all’attivazione di una serie di segmenti di faglia orientati E-W e NW-SE individuati tra Corigliano e Rossano. Questo lavoro ha come scopo quello di individuare strutture sismogenetiche attive nell’area colpita dall’evento sismico del 1836 ed, in particolare, quelle causative dell’evento sismico del 1836. A tal fine sono stati effettuati rilevamenti geologici e geomorfologici, con particolare riguardo alla zona dell’abitato di Mirto, poco a sud della città di Rossano Calabro, dove uno scavo ha messo in evidenza depositi di origine marina in facies deltizia, datati per via paleontologica ad un’età non più antica dell’Emiliano (Pleistocene inferiore), dislocati da una struttura tettonica ad orientazione circa NNW-SSE, a cinematica prevalentemente inverse, con senso di trasporto verso SSW. La dislocazione sembra interessare anche depositi continentali fluvio-colluviali incassati all’interno dei depositi deltizi e separati da questi da una superficie di erosione. Da questi sedimenti continentali è stato prelevato un campione per effettuare una datazione radiometrica, ancora in corso. La localizzazione di questa struttura tettonica è compatibile con l’ubicazione della zona epicentrale del terremoto del 1836, derivata dai dati macrosismici (CPTI 04). Inoltre, lungo il lineamento, pochi km a nord dello scavo studiato, in località Cento Fontane, viene segnalata risorgenza di acque calde in occasione dell’evento sismico menzionato.
    Description: Published
    Description: Firenze, Italia
    Description: 3.2. Tettonica attiva
    Description: open
    Keywords: fagliazione inversa ; Calabria ; Quaternario ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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  • 8
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    Towards a seismogenic source model of the Dinarides (2010)
    Details
    Publication Date: 2017-04-04
    Description: Geology-based seismogenic source models are becoming the fundamental input for seismic hazard assessment at the scale of an entire country. In this work, we will illustrate in simple steps the complex process that leads from basic data to a fully-fledged seismogenic source model of the Dinaride thrust belt, running along coastal Croatia, Montenegro and part of Albania. We started from a layer of basic geological and structural data and explored a wide range of indicators of recent tectonic activity, such as drainage anomalies/diversions and displaced or warped geological markers. We then analyzed the interplay of these indicators with known or prospective tectonic structures. To the picture thus obtained, we added a layer with a revised historical seismic catalog and selected a few earthquakes for which we re-estimate epicenter and magnitude. At the end of our analyses we combined all these data in a structured GIS database. With these data at hand, we also compared the longer-term indicators with present-day stress/strain data such as GPS velocities and earthquake focal solutions. Following the approach already developed for the construction of the Database of Individual Seismogenic Sources for Italy, we developed a seismogenic source model for the Dinarides in which the better constrained seismogenic faults have been mapped and parameterized and made ready for use in seismic hazard practice. We believe that our experience in the Dinarides will become useful in unifying and formalizing the process of constructing seismic source models in other countries.
    Description: Published
    Description: Rimini
    Description: 3.2. Tettonica attiva
    Description: 4.2. TTC - Modelli per la stima della pericolosità sismica a scala nazionale
    Description: open
    Keywords: seismogenic source model ; active fault ; Dinarides ; seismic hazard ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology ; 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics ; 04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
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  • 9
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    Italian Macroseismic Database DBMI15, version 2.0 (2020)
    Details
    Publication Date: 2020-02-11
    Description: Version 2.0 of the Italian Macroseismic Database DBMI15 has been released in November 2019, and replaces the prevision version 1.5 (Locati et al. 2016) that was released in July 2016. This minor revision extend the time-coverage to the years between 2015 and 2017 and contains the correction of a few compilation errors; changes between v1.5 and v2.0 of DBMI15 are detailed in Section 6; changes occurred between DBMI11 (Locati et al., 2011) and DBMI15 are described in Section 5. DBMI v2.0 makes available a set of macroseismic intensity data related to Italian earthquakes and covers the time-window 1000-2017. Intensity data derive from studies by authors from various Institutions, both in Italy and bordering countries (France, Austria, Slovenia, and Croatia). Macroseismic Data Points (MDPs) are collected and organized in DBMI for several scopes. The main goal is to create a homogenous set of data for assessing earthquake parameters (epicentral location and magnitude) for compiling the Parametric Catalogue of Italian Earthquakes (CPTI). The data provided by DBMI are also used for compiling the seismic history of thousands of Italian localities (15332 in DBMI15), in other words the list of effects observed in a place through time as a consequence of earthquakes, expressed as macroseismic intensity degrees. As they are closely linked, DBMI and CPTI have been published together, and using the same release version (e.g. DBMI04-CPTI04, DBMI11-CPTI11), but in two distinct websites. From this release, DBMI and CPTI (Rovida et al., 2019) are made available using a unified website generated using an updated version of the software MIDOP (Locati and Cassera 2010).
    Description: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Description: Published
    Description: 4T. Sismicità dell'Italia
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Keywords: macroseismic intensity ; seismicity ; 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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  • 10
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    Database Macrosismico Italiano DBMI15, versione 2.0 (2020)
    Details
    Publication Date: 2020-02-11
    Description: La versione 2.0 del Database Macrosismico Italiano chiamata DBMI15 è stata rilasciata a novembre 2019 e aggiorna e sostituisce la precedente versione 1.5 (Locati et al. 2016). Le variazioni tra la versione 1.5 e la 2.0 sono dettagliate al paragrafo 6; le variazioni tra le versioni DBMI11 (Locati et al., 2011) e DBMI15 sono descritte al paragrafo 5. DBMI v2.0 fornisce un set di dati di intensità macrosismica relativo ai terremoti italiani aggiornato alla finestra temporale 1000-2017. I dati provengono da studi di autori ed enti diversi, sia italiani che di paesi confinanti (Francia, Svizzera, Austria, Slovenia e Croazia). I dati di intensità macrosismica (MDP, Macroseismic Data Point) sono raccolti e organizzati da DBMI per diverse finalità. La principale è fornire una base di dati per la determinazione dei parametri epicentrali dei terremoti (localizzazione e stima della magnitudo) per la compilazione del Catalogo Parametrico dei Terremoti Italiani (CPTI). L’insieme di questi dati consente inoltre di elaborare le “storie sismiche” di migliaia di località italiane (15332 in DBMI15 v2.0), vale a dire l’elenco degli effetti di avvertimento o di danno, espressi in termini di gradi di intensità macrosismica, osservati nel corso del tempo a causa di terremoti. Dato il loro stretto legame, DBMI e CPTI sono stati pubblicati insieme e usano una stessa numerazione (DBMI04-CPTI04, DBMI11-CPTI11), ma in due diversi siti web. A partire da questa versione si è deciso di rendere disponibile le due banche dati DBMI15 e CPTI15 (Rovida et al., 2019) da un unico sito web generato con una versione aggiornata del software MIDOP (Locati e Cassera 2010) al fine di rendere più semplice e funzionale la consultazione.
    Description: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Description: Published
    Description: 4T. Sismicità dell'Italia
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Keywords: sismicità ; intensità macrosismica ; 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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