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  • Mt. Etna  (8)
  • 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions  (7)
  • Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.)  (6)
  • Springer  (16)
  • Blackwell  (1)
  • American Chemical Society
  • Geological Survey of Slovenia - Ljubljana
  • Giardini Editori
  • Institute of Electrical and Electronics Engineers (IEEE)
  • Springer Science + Business Media
  • 2005-2009  (19)
Collection
Publisher
Years
Year
  • 1
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    Springer
    In:  Amsterdam, Springer, vol. 1, pp. 225, (1-4020-3353-2)
    Publication Date: 2005
    Keywords: Tsunami(s) ; Earthquake risk ; Earthquake precursor: prediction research ; Review article ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Modelling ; NATHAZ ; measurement, ; tsunami ; model, ; data ; assimilation, ; data ; inversion, ; tsunami ; warning, ; tsunameters, ; forecast, ; hazard ; mitigation
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  • 2
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    Springer
    In:  Professional Paper, Perspectives in Modern Seismology, Dordrecht, Springer, vol. 65, no. 16, pp. 145-168, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: paleo ; Seismicity ; Fault zone ; DSTF ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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  • 3
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    Springer
    In:  Bull., Polar Proj. OP-O3A4, Perspectives in Modern Seismology, London, Springer, vol. 201, no. XVI:, pp. 169-184, (ISBN: 3-540-23712-7)
    Publication Date: 2005
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Finite Element Method ; Modelling ; Three dimensional ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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  • 4
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    Springer
    In:  Bull., Polar Proj. OP-O3A4, Perspectives in Modern Seismology, Dordrecht, Springer, vol. 20, no. 4, pp. 47-65, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: Non-linear effects ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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  • 5
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    Springer
    In:  Bull., Open-File Rept., Perspectives in Modern Seismology, Arnsberg-Neheim, Springer, vol. 10, no. 87-17, pp. 69-94, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: Plate tectonics ; hot ; spots ; GeodesyY ; Tomography ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania
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  • 6
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    In:  Professional Paper, Open-File Rept., Perspectives in Modern Seismology, Berlin, Springer, vol. 1, no. 16, pp. 1-12, (ISBN 0080419208)
    Publication Date: 2005
    Keywords: Review article ; Seismology ; Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Bucharest ; Romania ; Earthquake risk
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  • 7
    Publication Date: 2017-04-04
    Description: Buoyancy controls the ability of magma to rise, its ascent rate and the style of the eruptions. Geophysical, geological and petrological data have been integrated to evaluate the buoyancy of magmas at Mt Etna. The density difference between host rocks and magmas is mainly related to the amount of H2O dissolved in the magma and to the bubble-liquid separation processes. In the depth interval 22 km b.s.l. highly hydrated (H2O) basaltic magmas or mixtures of bubbles + liquid have positive buoyancy and rise rapidly. Conversely, bubbledepleted liquids, with an intermediate H2O content (1.5), having neutral buoyancy, will spread out and form magmatic reservoirs at different depths until cooling crystallization further modify composition and density. These different processes account for the magma compositions, location of magmatic reservoirs as determined by geophysical methods, and the complex eruptive cycles (slow effusions, fire fountains and Plinian eruptions) that have been observed in the history of the volcano.
    Description: Published
    Description: 16-22
    Description: partially_open
    Keywords: Mt Etna ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas ; 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2017-04-04
    Description: Analysis of the historical records of Etnas eruptive activity for the past three centuries shows that, after the large 1669 eruption, a period of about 60 years of low-level activity followed. Starting from 1727, explosive activity (strombolian, lava fountaining and subplinian) at the summit crater increased exponentially to the present day. Since 1763, the frequency of flank eruptions also increased and this value remained high until 1960; afterward it further increased sharply. In fact, the number of summit and flank eruptions between 1961 and 2003 was four times greater than that of the pre-1960 period. This long-term trend of escalating activity rules out a pattern of cyclic behaviour of the volcano. We propose instead that the 16702003 period most likely characterises a single eruptive cycle which began after the large 1669 eruption and which is still continuing. On the basis of the eruptive style, two distinct types of flank eruptions are recognised: Class A and Class B. Class A eruptions are mostly effusive with associated weak strombolian activity; Class B eruptions are characterised by effusive activity accompanied by intense, long-lasting, strombolian and lava fountaining activity that produces copious tephra fallouts, as during the 2001 and 20022003 eruptions. Over the past three centuries, seven Class B eruptions have taken place with vents located mainly on the south-eastern flank, indicating that this sector of the volcano is a preferential zone for the intrusion of volatile-rich magma rising from the deeper region of the Etna plumbing system.
    Description: Published
    Description: 732-742
    Description: partially_open
    Keywords: Etna ; Historical record ; Summit activity ; Flank eruptions ; Eruptive behaviour ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 523 bytes
    Format: 592166 bytes
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  • 9
    Publication Date: 2017-04-04
    Description: The Monte Nuovo eruption is the most recent event that occurred at Phlegrean Fields (Italy) and lasted from 29 September to 6 October 1538. It was characterized by 2 days of quasi-sustained phreatomagmatic activity generating pumice-bearing pyroclastic density currents and forming a 130-m-high tuff cone (Lower Member deposits). The activity resumed after a pause of 2 days with two discrete Vulcanian explosions that emplaced radially distributed, scoria-bearing pyroclastic flows (Upper Member deposits). The juvenile products of Lower and Upper Members are, respectively, phenocryst-poor, light-coloured pumice and dark scoria fragments with K-phonolitic bulk compositions, identical in terms of both major and trace elements. Groundmass is formed by variable proportions of K-feldspar and glass, along with minor sodalite and Fe-Ti oxide present in the most crystallized samples. Investigations of groundmass compositions and textures were performed to assess the mechanisms of magma ascent, degassing and fragmentation along the conduit and implications for the eruptive dynamics. In pumice of the Lower Member groundmass crystal content increases from 13 to 28 vol% from the base to the top of the sequence. Products of the Upper Member consist of clasts with a groundmass crystal content between 30 and 40 vol% and of totally crystallized fragments. Crystal size distributions of groundmass feldspars shift from a single population at the base of the Lower Member to a double population in the remaining part of the sequence. The average size of both populations regularly increases from the Lower to the Upper Member. Crystal number density increases by two orders of magnitude from the Lower to the Upper Member, suggesting that nucleation dominated during the second phase of the eruption. The overall morphological, compositional and textural data suggest that the juvenile components of the Monte Nuovo eruption are likely to record variations of the magma properties within the conduit. The different textures of pumice clasts from the Lower Member possibly reflect horizontal gradients of the physical properties (P, T) of the ascending magma column, while scoriae from the second phase are thought to result from the disruption of a slowly rising plug crystallizing in response to degassing. In particular, crystal size distribution data point to syn-eruptive degassing-induced crystallization as responsible for the transition in eruptive style from the first to the second phase of the eruption. This mechanism not only has been proved to profoundly affect the dynamics of dome-forming calc-alkaline eruptions, but may also have a strong influence in driving the eruption dynamics of alkaline magmas of intermediate to evolved compositions.
    Description: Published
    Description: 601-621
    Description: reserved
    Keywords: Phlegrean Fields ; Vulcanian explosion ; Degassing ; Groundmass crystallization ; Eruption dynamics ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.02. Experimental volcanism ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 10
    Publication Date: 2017-04-04
    Description: The 200203 Mt Etna flank eruption began on 26 October 2002 and finished on 28 January 2003, after three months of continuous explosive activity and discontinuous lava flow output. The eruption involved the opening of eruptive fissures on the NE and S flanks of the volcano, with lava flow output and fire fountaining until 5 November. After this date, the eruption continued exclusively on the S flank, with continuous explosive activity and lava flows active between 13 November and 28 January 2003. Multi-disciplinary data collected during the eruption (petrology, analyses of ash components, gas geochemistry, field surveys, thermal mapping and structural surveys) allowed us to analyse the dynamics of the eruption. The eruption was triggered either by (i) accumulation and eventual ascent of magma from depth or (ii) depressurisation of the edifice due to spreading of the eastern flank of the volcano. The extraordinary explosivity makes the 200203 eruption a unique event in the last 300 years, comparable only with La Montagnola 1763 and the 2001 Lower Vents eruptions. A notable feature of the eruption was also the simultaneous effusion of lavas with different composition and emplacement features. Magma erupted from the NE fissure represented the partially degassed magma fraction normally residing within the central conduits and the shallow plumbing system. The magma that erupted from the S fissure was the relatively undegassed, volatile-rich, buoyant fraction which drained the deep feeding system, bypassing the central conduits. This is typical of most Etnean eccentric eruptions. We believe that there is a high probability that Mount Etna has entered a new eruptive phase, with magma being supplied to a deep reservoir independent from the central conduit, that could periodically produce sufficient overpressure to propagate a dyke to the surface and generate further flank eruptions.
    Description: Published
    Description: 314-330
    Description: partially_open
    Keywords: Multi-disciplinary study ; Mount Etna ; 2002–03 eruption ; Eccentric eruptions ; Flank activity ; Etna feeding system ; Volcanic processes ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 523 bytes
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