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  • 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas
  • Tsunami
  • Nature Publishing Group  (4)
  • Bogotá D.C., Colombia  (3)
  • Geological Society of America  (3)
  • American Meteorological Society (AMS)
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  • 1
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    Unknown
    Ed. Dimar | Bogotá D.C., Colombia
    Publication Date: 2023-12-28
    Description: Publicación de tipo educativo, dirigida al público infantil, para colorear. Editada en idioma español. Es una publicación de acceso abierto (Open Access, OA) para su consulta, sus condiciones de uso y distribución están definidas por el licenciamiento Creative Commons (CC).
    Description: Published
    Description: Non Refereed
    Keywords: Tsunami ; Sismo ; Amenaza natural ; ASFA_2015::E::Education ; ASFA_2015::T::Tsunamis ; ASFA_2015::H::Hazards
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 16pp.
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  • 2
    Publication Date: 2023-03-09
    Description: Contenido - Editorial - Buque de investigación científica marina ARC “Simón Bolívar”: aporte al desarrollo de la nación - El catastro marino: una herramienta para mejorar la administración y la gobernanza de los litorales colombianos - Protección del medio marino, rol de la Autoridad Marítima - Gestión del riesgo por tsunami y pérdida de contención de hidrocarburos y sustancias peligrosas asociado a actividades marítimas - Salvaguardando la vida humana en el mar. Dimar: una autoridad que trabaja 24x7 (SAR y tsunami) - Transformación tecnológica de la señalización marítima - Buques autónomos de superficie (MASS) un avance global y sus riesgos - Dimar 70 Años: su evolución histórica - Directores Marítimos - Buques de superficie, una parte de la historia de los 70 años de la Dirección General Marítima - Fortalecimiento de la Infraestructura de Datos Espaciales Marítima y Costera: datos abiertos para la toma de decisiones informadas - Alistamiento para la auditoría de la Organización Marítima Internacional 2024 - Dirección General Marítima certificada como un “Gran Lugar para Trabajar” - Harry Fernando Quiñones Torres. Veintiocho años trabajando por la investigación científica marina desde la ‘Perla del Pacífico’ - Cocinando en altamar - #LéxicoDelMar
    Description: Published
    Description: Non Refereed
    Keywords: Puertos ; Señalización marítima ; Seguridad del transporte ; Hidrocarburos ; Tsunami ; Buque ; ASFA_2015::V::Vessels ; ASFA_2015::T::Tsunamis ; ASFA_2015::C::Coastal planning ; ASFA_2015::S::Safety ; ASFA_2015::R::Risk management ; ASFA_2015::M::Marine meteorology
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 101pp.
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  • 3
    Publication Date: 2021-08-03
    Description: En el año 2002, el entonces Centro de Control de Contaminación del Pacífico (CCCP) publicó el libro titulado COMPILACIÓN OCEANOGRÁFICA DE LA CUENCA PACÍFICA COLOMBIANA, lo que sería un referente bibliográfico de vital importancia para la caracterización de las zonas marino-costeras del Pacífico colombiano, abarcando un total de cinco capítulos en temas tan variados como las particularidades geográficas de la Cuenca Pacífica Colombiana (CPC) y su investigación oceanográfica, la búsqueda de la relación entre las condiciones oceanográficas de la Cuenca y el ciclo de El Niño Oscilación del Sur (ENOS), además del plan científico del grupo de investigación en oceanografía para el periodo 2001-2010. Han transcurrido 18 largos años desde entonces, y la comunidad científica marina del país, así como la Autoridad Marítima colombiana y el gremio marítimo requieren no solo una actualización de dichas líneas de investigación, sino también mayor cantidad y mejor nivel de detalle en la información disponible para la toma de decisiones con base en el rigor técnico; así como el claro y amplio soporte de conocimiento del medio en el que se desenvuelven para el diario devenir en sus actividades en el mar y en la costa, teniendo en cuenta que las aguas del gran Pacífico no representan la frontera que separa, sino el puente que une a Colombia y los países de Oceanía y del sudeste asiático, considerada como la zona con los mercados de mayor proyección del mundo. Esta es una más de las principales razones, sumada a las necesidades de desarrollo y las aspiraciones nacionales de consolidar factores de seguridad multidimensional y de presencia estatal en las áreas de frontera, para aprovechar las múltiples potencialidades que ofrece el vasto océano Pacífico para una nación en desarrollo, y con la aspiración nacional de llegar a ser una potencia media regional influyente como lo es Colombia. Por lo anterior, el mismo CCCP, ahora denominado Centro de Investigaciones Oceanográficas e Hidrográficas del Pacífico, presenta con orgullo el resultado de un esfuerzo por satisfacer estos requerimientos a través de la publicación del título COMPILACIÓN OCEANOGRÁFICA DEL PACÍFICO COLOMBIANO II, el cual consta de siete capítulos que garantizan la continuidad en los anteriores temas y proporciona algunos nuevos, complementando y ampliando la información ofrecida por la primera edición. Dentro de estas líneas de investigación fueron incluidas las particularidades geográficas y geomorfología de la CPC, su meteorología, la investigación oceanográfica en la Cuenca e influencia de los eventos ENOS, las condiciones de oleaje en el Pacífico colombiano, la variabilidad del nivel del mar, la amenaza por tsunami en la CPC y, finalmente, las tendencias en la biogeoquímica del océano Pacífico Oriental Tropical y Sureste bajo diferentes escenarios de cambio climático. Bienvenidos entonces a una ventana más del conocimiento sobre nuestra Cuenca Pacífica Colombiana, desde donde contribuimos a la “consolidación de Colombia como país marítimo” y aportamos nuestro pequeño pero representativo grano de arena a la defensa del enorme, hermoso e imponente azul de la bandera. El reconocimiento de los espacios marítimos para el desarrollo de un país es de vital importancia. Desde su exploración oceánica y costera, la hidrografía ha representado el conocimiento científico sobre el territorio marítimo colombiano y ha brindado información, instrumentos y herramientas para una mejor compresión y desarrollo de las actividades marítimas en el país. La producción de la cartografía náutica para asegurar las rutas marítimas y el comercio internacional de la nación es un aspecto fundamental, que a su vez ha cumplido un papel importante en el reconocimiento de las profundidades y el descubrimiento de riquezas económicas y culturales en los fondos oceánicos, además de aportar seguridad en la navegación por el espacio marítimo colombiano y un mejor conocimiento de nuestros litorales y sus potencialidades. La hidrografía entonces ha desempeñado eficientemente el rol de fortalecer y desarrollar las riquezas que se encuentran en nuestras aguas jurisdiccionales, y ha sido la disciplina científica que ha aportado al reconocimiento de los territorios costeros y oceánicos, y, consecutivamente, al avance en el desarrollo de la infraestructura marítima para el país. Objetivos que podemos hallar desde sus comienzos y que fueron evidenciados y visibilizados a lo largo de su labor y trabajo en los espacios y frentes marinos, que le han permitido a la Autoridad Marítima Colombiana, a través de un interés nacional y una visión internacional, mantener una navegación segura que haga parte del impulso y progreso económico y nacional, en contribución paralela a los objetivos de desarrollo sostenible de la Organización de las Naciones Unidas.
    Description: Published
    Description: Not Known
    Keywords: Meteorología ; Tsunami ; Oceanografía física ; Biogeoquímica ; Climatología ; Oceanografía Química ; Inundación ; Cambio climático ; Biología ; ASFA_2015::M::Marine biology ; ASFA_2015::P::Physical oceanography ; ASFA_2015::C::Chemical oceanography ; ASFA_2015::M::Marine meteorology ; ASFA_2015::T::Tsunamis ; ASFA_2015::C::Climatology
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 231pp
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  • 4
    Publication Date: 2017-04-04
    Description: In this paper, we describe the 1809 eruption of Mt. Etna, Italy, which represents one historical rare case in which it is possible to observe details of the internal structure of the feeder system. This is possible thanks to the presence of two large pit craters located in the middle of the eruptive fracture field that allow studying a section of the shallow feeder system. Along the walls of one of these craters, we analysed well-exposed cross sections of the uppermost 15–20 m of the feeder system and related volcanic products. Here, we describe the structure, morphology and lithology of this portion of the 1809 feeder system, including the host rock which conditioned the propagation of the dyke, and compare the results with other recent eruptions. Finally, we propose the dynamic model of the magma behaviour inside a laterally-propagating feeder dyke, demonstrating how this dynamic triggered important changes in the eruptive style (from effusive/Strombolian to phreatomagmatic) during the same eruption. Our results are also useful for hazard assessment related to the development of flank eruptions, potentially the most hazardous type of eruption from basaltic volcanoes in densely urbanized areas, such as Mt. Etna.
    Description: Published
    Description: 1-11
    Description: 2T. Tettonica attiva
    Description: 2V. Dinamiche di unrest e scenari pre-eruttivi
    Description: 3V. Dinamiche e scenari eruttivi
    Description: 4V. Vulcani e ambiente
    Description: 6A. Monitoraggio ambientale, sicurezza e territorio
    Description: N/A or not JCR
    Description: open
    Keywords: feeder dyke ; basaltic volcanoes ; flank eruptions ; Etna ; volcanic hazards ; sill ; volcanic rift ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas ; 04. Solid Earth::04.08. Volcanology::04.08.04. Thermodynamics ; 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 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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  • 5
    Publication Date: 2017-04-04
    Description: The 2011 Tohoku-oki (Mw 9.1) earthquake is so far the best-observed megathrust rupture, which allowed the collection of unprecedented offshore data. The joint inversion of tsunami waveforms (DART buoys, bottom pressure sensors, coastal wave gauges, and GPS-buoys) and static geodetic data (onshore GPS, seafloor displacements obtained by a GPS/acoustic combination technique), allows us to retrieve the slip distribution on a non-planar fault. We show that the inclusion of near-source data is necessary to image the details of slip pattern (maximum slip ,48 m, up to ,35 m close to the Japan trench), which generated the large and shallow seafloor coseismic deformations and the devastating inundation of the Japanese coast. We investigate the relation between the spatial distribution of previously inferred interseismic coupling and coseismic slip and we highlight the importance of seafloor geodetic measurements to constrain the interseismic coupling, which is one of the key-elements for long-term earthquake and tsunami hazard assessment.
    Description: Published
    Description: 385
    Description: 3.1. Fisica dei terremoti
    Description: N/A or not JCR
    Description: restricted
    Keywords: Tohoku ; Subduction ; Tsunami ; Inverse problem ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
    Publication Date: 2017-04-04
    Description: In recent decades, geophysical investigations have detected wide magma reservoirs beneath quiescent calderas. However, the discovery of partially melted horizons inside the crust is not sufficient to put constraints on capability of reservoirs to supply cataclysmic eruptions, which strictly depends on the chemical-physical properties of magmas (composition, viscosity, gas content etc.), and thus on their differentiation histories. In this study, by using geochemical, isotopic and textural records of rocks erupted from the high-risk Campi Flegrei caldera, we show that the alkaline magmas have evolved toward a critical state of explosive behaviour over a time span shorter than the repose time of most volcanic systems and that these magmas have risen rapidly toward the surface. Moreover, similar results on the depth and timescale of magma storage were previously obtained for the neighbouring Somma-Vesuvius volcano. This consistency suggests that there might be a unique long-lived magma pool beneath the whole Neapolitan area.
    Description: Published
    Description: article 712
    Description: 2.3. TTC - Laboratori di chimica e fisica delle rocce
    Description: 3.5. Geologia e storia dei vulcani ed evoluzione dei magmi
    Description: 3.6. Fisica del vulcanismo
    Description: 4.3. TTC - Scenari di pericolosità vulcanica
    Description: N/A or not JCR
    Description: open
    Keywords: magma ; campi flegrei caldera ; 04. Solid Earth::04.04. Geology::04.04.05. Mineralogy and petrology ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas ; 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
    Publication Date: 2017-04-04
    Description: The MW 8.8 mega-thrust earthquake and tsunami that occurred on February 27, 2010, offshore Maule region, Chile, was not unexpected. A clearly identified seismic gap existed in an area where tectonic loading has been accumulating since the great 1835 earthquake experienced and described by Darwin during the voyage of the Beagle. Here we jointly invert tsunami and geodetic data (InSAR, GPS, land-level changes), to derive a robust model for the co-seismic slip distribution and induced co-seismic stress changes, and compare them to past earthquakes and the pre-seismic locking distribution. We aim to assess if the Maule earthquake has filled the Darwin gap, decreasing the probability of a future shock . We find that the main slip patch is located to the north of the gap, overlapping the rupture zone of the MW 8.0 1928 earthquake, and that a secondary concentration of slip occurred to the south; the Darwin gap was only partially filled and a zone of high pre-seismic locking remains unbroken. This observation is not consistent with the assumption that distributions of seismic rupture might be correlated with pre-seismic locking, potentially allowing the anticipation of slip distributions in seismic gaps. Moreover, increased stress on this unbroken patch might have increased the probability of another major to great earthquake there in the near future.
    Description: Published
    Description: 173-177
    Description: 3.1. Fisica dei terremoti
    Description: 4.2. TTC - Modelli per la stima della pericolosità sismica a scala nazionale
    Description: JCR Journal
    Description: restricted
    Keywords: Source process ; Chile ; Tsunami ; Joint Inversion ; Seismic Gap ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous ; 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress ; 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes ; 05. General::05.01. Computational geophysics::05.01.03. Inverse methods
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2017-04-03
    Description: In September 2002, a series of tectonic earthquakes occurred north of Sicily, Italy, followed by three events of volcanic unrest within 150 km. On October 28, 2002, Mt. Etna erupted; on November 3, 2002, submarine degassing occurred near Panarea Island; and on December 28, 2002, Stromboli Island erupted. All of these events were considered unusual: the Mt. Etna NE-rift eruption was the largest in 55 yr, the Panarea degassing was one of the strongest ever detected there, and the Stromboli eruption, which produced a landslide and tsunami, was the largest effusive eruption in 17 yr. Here, we investigate the synchronous occurrence of these clustered unrest events, and develop a possible explanatory model. We compute short-term earthquake-induced dynamic strain changes and compare them to long-term tectonic effects. Results suggest that the earthquake-induced strain changes exceeded annual tectonic strains by at least an order of magnitude. This agitation occurred in seconds, and may have induced fluid and gas pressure migration within the already active hydrothermal and magmatic systems.
    Description: In press
    Description: 1.4. TTC - Sorveglianza sismologica delle aree vulcaniche attive
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 3.1. Fisica dei terremoti
    Description: 3.2. Tettonica attiva
    Description: 3.5. Geologia e storia dei sistemi vulcanici
    Description: 3.6. Fisica del vulcanismo
    Description: 4.2. TTC - Scenari e mappe di pericolosità sismica
    Description: 4.3. TTC - Scenari di pericolosità vulcanica
    Description: JCR Journal
    Description: open
    Keywords: earthquake trigger ; magma and gas eruptions ; 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous ; 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous ; 04. Solid Earth::04.06. Seismology::04.06.04. Ground motion ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology ; 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.04. Plate boundaries, motion, and tectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 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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  • 9
    Publication Date: 2017-04-04
    Description: The volcanic hazard potential of Mount Etna volcano is currently nourished by long-lasting, powerful eruptions of basaltic magmas coupled with increased seismicity and ground deformation, and the world's largest discharge of volcanic gases. The current evolutionary cycle of Mount Etna activity is consistent with subduction-related chemical modifications of the mantle source. Arrival of a new mantle-derived magma batch beneath the volcano has been hypothesized, but is still elusive among the erupted products. Here we demonstrate petrological and geochemical affinities between the magmas supplying modern eruptions and high-Mg, fall-stratified (FS) basalts ejected violently 4 k.y. ago. The FS primitive magmas (13 wt% MgO) are characteristically volatile enriched (at least 3.8 wt% H2O and 3300 ppm CO2), and bear a trace element signature of a garnet-bearing, metasomatized source (high Gd/Yb, K/La, U/Nb, Pb/Ce, Ca/Al). They started crystallizing olivine (Fo91), clinopyroxene (Mg# 92.5), and Cr spinel deep in the plumbing system (〉5 kbar), contributing to the cumulate piles at depth and to differentiated alkaline basalt and trachybasalt magmas in the shallow conduit. Continuous influx of mantle-derived, volatile-rich magmas, such as those that supplied the FS fallout, provides a good explanation for major compositional and eruptive features of Mount Etna.
    Description: Published
    Description: 255-258
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: reserved
    Keywords: Mount Etna ; volcano ; picrite ; melt inclusions ; volatiles ; degassing ; mantle ; meta-somatism ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 10
    Publication Date: 2017-04-03
    Description: An integrated petrological, geophysical, and fluid-inclusion model is presented for the internal structure of the active Vulcano Island, Southern Tyrrhenian Sea. The present structure of the magma storage system in the crust consists of two major deep accumulation zones located at 17–21 km and 8–13 km depth, plus a minor one at 1–5 km depth, beneath Fossa Cone. The deepest magma accumulation zone contains mafic melts and is located at the transition between the upper mantle and a granulitic lower crust. This reservoir has been active since the onset of the exposed volcanism, and has undergone continuous fractional crystallization, crustal assimilation, and mixing with primary melts from the mantle. Slightly differentiated magmas from the deep reservoir feed a shallower accumulation zone in the middle and upper crust, or erupt directly to the surface through lateral vents. Deep melts probably enter the shallowest reservoir shortly before magma outbreak at the surface, and may represent the trigger of eruptions. According to our model, magmatic eruptions at Vulcano are related to deep magma dynamics, whereas most of the changes in the geochemical and geophysical parameters observed at the active cone in the last century could be due to shallow depth modification of rock permeability, possibly as a result of cone gravitative instability and/or tectonic events. Implications for strategies of volcano monitoring and for forecasting eruptions are briefly discussed.
    Description: Published
    Description: 17-20
    Description: reserved
    Keywords: plumbing system ; active volcanoes ; fluid inclusions ; volcano monitoring ; Vulcano Island ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 248680 bytes
    Format: application/pdf
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