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  • 1
    Artikel
    Artikel
    A multi-disciplinary study of the 2002-03 Etna eruption:insights into a complex plumbing system, (2005)
    Dazugehörige Bände
    Details Verfügbarkeit
    In: Bulletin of volcanology, Berlin : Springer, 1986, 67(2005), Seite 314-330, 0258-8900
    In: volume:67
    In: year:2005
    In: pages:314-330
    Materialart: Artikel
    ISSN: 0258-8900
    Sprache: Englisch
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
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    Field data, numerical simulations and probability analyses to assess lava flow hazards at Mount Etna (2013)
    PANGAEA
    In:  Supplement to: Del Negro, Ciro; Cappello, Annalisa; Neri, Marco; Bilotta, Giuseppe; Hérault, Alexis; Ganci, Gaetana (2013): Lava flow hazards at Mount Etna: constraints imposed by eruptive history and numerical simulations. Scientific Reports, 3, 3493, https://doi.org/10.1038/srep03493
    Details
    Publikationsdatum: 2023-01-13
    Beschreibung: Improving lava flow hazard assessment is one of the most important and challenging fields of volcanology, and has an immediate and practical impact on society. Here, we present a methodology for the quantitative assessment of lava flow hazards based on a combination of field data, numerical simulations and probability analyses. With the extensive data available on historic eruptions of Mt. Etna, going back over 2000 years, it has been possible to construct two hazard maps, one for flank and the other for summit eruptions, allowing a quantitative analysis of the most likely future courses of lava flows. The effective use of hazard maps of Etna may help in minimizing the damage from volcanic eruptions through correct land use in densely urbanized area with a population of almost one million people. Although this study was conducted on Mt. Etna, the approach used is designed to be applicable to other volcanic areas.
    Schlagwort(e): ETNA; Mount Etna, Sicily, Italia
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 3
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    Etna flank lava flows between 1610 and 2008 (2013)
    PANGAEA
    Details
    Publikationsdatum: 2023-02-12
    Schlagwort(e): Area; Date; Duration, number of days; ETNA; Identification; Mount Etna, Sicily, Italia; Output rate; Volume of lava
    Materialart: Dataset
    Format: text/tab-separated-values, 360 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 4
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    Etna summit lava flows between 1955 and 2012 (2013)
    PANGAEA
    Details
    Publikationsdatum: 2023-02-12
    Schlagwort(e): Date; Duration, number of days; ETNA; Location; Mount Etna, Sicily, Italia; Output rate; Volume of lava
    Materialart: Dataset
    Format: text/tab-separated-values, 665 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 5
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    FIERCE: FInding volcanic ERuptive CEnters by a grid-searching algorithm in R (2018)
    Details
    Publikationsdatum: 2021-01-27
    Beschreibung: Most eruptions are fed by dikes whose spatial distribution can provide important insights into the positions of possible old eruptive centers that are no longer clearly identifiable in the field. Locating these centers can in turn have further applications, e.g., in hazard assessment. We propose a purely geometrical algorithm—implemented as an R open-source script—named FIERCE (FInding volcanic ERuptive CEnters) based on the number of intersections of dikes identified within a grid of rectangular cells overlain onto a given search region. The algorithm recognizes radial distributions, tangential distributions, or combinations of both. We applied FIERCE to both well-known and less-studied volcanic edifices, in different tectonic settings and having different evolution histories, ages, and compositions. At Summer Coon volcano, FIERCE demonstrated that a radial dike distribution clearly indicates the position of the central vent. On Etna, it confirmed the position of the most important ancient eruptive centers and allowed us to study effects of the structural alignments and topography. On Stromboli, FIERCE not only enabled confirmation of some published locations of older vents but also identified possible vent areas not previously suggested. It also highlighted the influence of the regional structural trend and the collapse scars. FIERCE demonstrated that the dikes at the Somma-Vesuvius were emplaced before formation of Mt. Somma’s caldera and indicated a plausible location for the old volcanic crater of Mt. Somma which is compatible with previous studies. At the Vicuña Pampa Volcanic Complex, FIERCE highlights the position of two different vents of a highly degraded volcano.
    Beschreibung: Published
    Beschreibung: 19
    Beschreibung: 2V. Struttura e sistema di alimentazione dei vulcani
    Beschreibung: JCR Journal
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
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  • 6
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    Etnean and Hyblean volcanism shifted away from the Malta Escarpment by crustal stresses (2018)
    Details
    Publikationsdatum: 2021-05-12
    Beschreibung: A fraction of the volcanic activity occurs intraplate, challenging our models of melting and magma transfer to the Earth's surface. A prominent example is Mt. Etna, eastern Sicily, offset from the asthenospheric tear below the Malta Escarpment proposed as its melt source. The nearby Hyblean volcanism, to the south, and the overall northward migration of the eastern Sicilian volcanism are also unexplained. Here we simulate crustal magma pathways beneath eastern Sicily, accounting for regional stresses and decompression due to the increase in the depth of the Malta Escarpment. We find non-vertical magma pathways, with the competition of tectonic and loading stresses controlling the trajectories' curvature and its change in time, causing the observed migration of volcanism. This suggests that the Hyblean and Etnean volcanism have been fed laterally from a melt pooling region below the Malta Escarpment. The case of eastern Sicily shows how the reconstruction of the evolution of magmatic provinces may require not only an assessment of the paleostresses, but also of the contribution of surface loads and their variations; at times, the latter may even prevail. Accounting for these competing stresses may help shed light on the distribution and wandering of intraplate volcanism
    Beschreibung: Published
    Beschreibung: 15-22
    Beschreibung: 1V. Storia eruttiva
    Beschreibung: 2V. Struttura e sistema di alimentazione dei vulcani
    Beschreibung: JCR Journal
    Schlagwort(e): intraplate volcanism ; fault scarp ; dike propagation ; Malta Escarpment ; Hyblean volcanism ; Etna ; Mechanical models of magma transfer are used to backtrack the surface volcanism in Eastern Sicily. ; Our models account for regional stresses and decompression due to the deepening of the Malta Escarpment ; Both the Hyblean and Etnean volcanism has been laterally fed by a melt pooling region below the Malta Escarpment ; The Malta Escarpment played an active role in steering the shifting of Etnean and Hyblean volcanism
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Einschränkungen Verfügbarkeit
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    ARTIKEL (OA)
  • 7
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    Massive data collection in volcanic areas owing to photogrammetryderived models: a key example from the NE Rift, Mt Etna (Italy). (2021)
    Details
    Publikationsdatum: 2021-07-16
    Beschreibung: The collection of a conspicuous amount of data in volcanic areas is a key for a deeper understanding of the relationships between faulting, diking and superficial volcanic processes. A way to quickly collect huge amounts of data is to analyse photogrammetry-derived models (Digital surface models, orthomosaics and 3D models) using Unmanned Aerial Vehicles (UAVs) to collect all necessary pictures obtaining final models with a texture ground resolution up to 2-3 cm/pix. In this work, we describe our approach to build up models of a broad area located in the NE Rift of Mt. Etna, which is affected by continuous ground deformation linked to gravity sliding of the eastern flank of the volcano and dyke injection. The area is characterized by the presence of eruptive craters and fissures, extension fractures, and normal faults, as well as by historical lava flows. The goal was to quantify the kinematics at extensional fractures and normal faults, integrating the latter with seismological data to reconstruct the stress field acting in this peculiar sector of the volcano. By the point of view of UAV surveying, the test area is challenging since it is located at an altitude ranging between 2700 and 1900 m a.s.l., and it is affected by extreme weather conditions, like a strong wind. Resulting models, in the form of DSM and orthomosaic, are characterised by a resolution of 11.86 and 2.97 cm/pix, respectively, obtained from the elaboration of 4018 photos and covering an area of 2.2 km2. Thanks to these models, we recognized the presence of 20 normal fault segments, 250 extension fractures, and 54 single eruptive fissures. Considering all the above mention data, we quantified the kinematics at extensional fractures and normal faults, obtaining an extension rate of 1.9 cm/yr for the last 406 yr.
    Beschreibung: INGV
    Beschreibung: Published
    Beschreibung: Vienna
    Beschreibung: 2V. Struttura e sistema di alimentazione dei vulcani
    Schlagwort(e): Etna ; Drone ; SfM tecniques ; NE rift ; 04.08. Volcanology
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: Conference paper
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  • 8
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    Lava flows of Mt Etna, Italy: the 2019 eruption within the context of the last two decades (1999–2019) (2021)
    Taylor & Francis
    Details
    Publikationsdatum: 2021-07-13
    Beschreibung: UAVs have become a useful tool for natural hazard monitoring. In volcanic areas, they allow wider observations of the eruptive behaviour, with no risk for the operator. The SfM technique enables obtaining orthoimages of lava flows and a DEM in a short time. These data are also useful to estimate lava flow volumes and the mass output rate characterizing an eruption. We present the results of ten UAV surveys made during and after the 30 May – 6 June 2019 eruption of Etna volcano, projecting the data in a time context back until 1999. Orthoimages taken on different days allowed monitoring the morpho-structural evolution of the fissures, capturing the lava flows propagation and the accumulation of pyroclastic deposits. From 1999 to 2018, there were nine flank-eruptions and dozens of summiteruptions, which for graphic simplicity have been grouped by year in the map. The resulting map represents the most updated of the recent lava flows of Etna
    Beschreibung: This study has benefited from funding provided by the APQ Sicilia and from funding provided by the Italian Presidenza del Consiglio dei Ministri – Dipartimento della Protezione Civile (DPC); Istituto Nazionale di Geofisica e Vulcanologia.
    Beschreibung: Published
    Beschreibung: 65-76
    Beschreibung: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Beschreibung: JCR Journal
    Schlagwort(e): Lava flow mapping ; volcanological monitoring ; Etna ; UAV ; SfM technique ; 04.08. Volcanology
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
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    Field data, numerical simulations and probability analyses to assess lava flow hazards at Mount Etna (2014)
    Details
    Publikationsdatum: 2014-06-11
    Beschreibung: Istituto Nazionale di Geofisica e Vulcanologia
    Beschreibung: Published
    Beschreibung: 3V. Dinamiche e scenari eruttivi
    Beschreibung: restricted
    Schlagwort(e): Geological data ; Hazard maps ; 05. General::05.02. Data dissemination::05.02.05. Collections
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: web product
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  • 10
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    Fracture Reactivation and Magma Intrusion: The Case of the 1989 Fissure System at Mt Etna, Italy (2010)
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: Fracture Reactivation and Magma Intrusion: The Case of the 1989 Fissure System at Mt Etna, Italy FALSAPERLA Susanna1, Fabrizio CARA2, Antonio ROVELLI2, Marco NERI1, Boris BEHNCKE1, Valerio ACOCELLA3 1 Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Piazza Roma 2, 95123, Catania, Italy 2 Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Roma1, Via di Vigna Murata 605, 00143 Roma, Italy 3 Dipartimento Scienze Geologiche Roma Tre. L. S.L. Murialdo 1, 00146 Roma, Italy We focus on the role of a dry (without lava emission) fracture system, consisting of extension fractures and normal faults, which opened at Mt Etna, Italy, during the 1989 flank eruption. The NNW-SSE fracture system is located on the mid-upper SE flank of the volcano, and has experienced significant seismic activity during the past two decades. By using excellent documented records of seismic and volcanic activity on 24 November 2006 (the latter encompassing Strombolian activity, lava fountaining, ash fallout, pyroclastic flows, and lava emission from multiple vents at the Southeast Crater), we analyze the interaction between seismic radiation and the afore-mentioned fracture system. Our results highlight the importance of this system in controlling the polarization properties of seismic waves 17 years after its formation. In addition, the SE end of the 1989 fracture zone extends into several active faults, suggesting that they represent a single long structure, which plays an important role in the volcano-tectonic dynamics of Etna. Finally, this study shows how fracture reactivation can also occur by means of magma intrusion, strongly controlling the transfer of magma within a volcanic edifice.
    Beschreibung: Published
    Beschreibung: Besse, Clermont-Ferrand, France
    Beschreibung: open
    Schlagwort(e): Magma Intrusion ; Volcanic tremor ; Mt. Etna ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: Oral presentation
    Standort Signatur Einschränkungen Verfügbarkeit
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