Main BibliographyПо авторам

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Records: 17
Pages:  1 2
Adushkin V.V., Zykov Yu.N., Ivanov B.A. Numerical modeling of a rockslide avalanche at Koryakskiy volcano, Kamchatka // Volcanology and Seismology. 1996. V. 17. № 6. P. 705-717.    Annotation
A numerical model is proposed for the mechanism of a rockslide avalanche on the slope of Koryakskiy volcano caused by the emplacement of sheeted intrusive bodies. The model of non-stationary geomechanical processes with abnormally low internal friction is used to calculate an avalanchelike movement during a potential collapse of the cone.
Agrinier Pierre, Shilobreeva Svetlana, Bardoux Gerard, Michel Agnes, Maximov Alexandr, Kalatcheva Elena, Ryabinin Gennady, Bonifacie Magali Chlorine Stable Isotopes to reveal contribution of magmatic chlorine in subduction zones: the case of the Kamchatka-Kuril and the Lesser Antilles Volcanic Arcs // Geophysical Research Abstracts. EGU2015-3174. Vienna, Austria: EGU General Assembly 2015. 2015. V. 17. P. 11034
Albert Sarah, Fee David, Firstov Pavel, Makhmudov Evgeniy, Izbekov Pavel Infrasound from the 2012–2013 Plosky Tolbachik, Kamchatka fissure eruption // Journal of Volcanology and Geothermal Research. 2015. V. 307. P. 68 - 78. doi: 10.1016/j.jvolgeores.2015.08.019.    Annotation
Abstract We use both regional and local infrasound data to investigate the dynamics of the 2012–2013 eruption of Tolbachik Volcano, Kamchatka, Russia during select periods of time. Analysis of regional data recorded at the {IMS} array {IS44} in southern Kamchatka, ~ 384 km from the vent focuses on the eruption onset in November 2012, while analysis of local data focuses on activity in February and August 2013. Signals recorded from Tolbachik suggest a change in eruptive intensity possibly occurred from November 27–30, 2012. Local infrasound data recorded at distances of 100–950 m from the vent are characterized primarily by repeated, transient explosion signals indicative of gas slug bursts. Three methods are employed to pick slug burst events in February and August. The nature of slug bursts makes a monopole acoustic source model particularly fitting, permitting volume outflux and slug radius calculations for individual events. Volume outfluxes and slug radii distributions provide three possible explanations for the eruption style of Tolbachik Volcano from mid-February to late August. Cumulative outflux for slug bursts (i.e. mass of emissions from individual bursts) derived by infrasound for both February and August range from < 100 to ~ 3000 kg. These values are greater than infrasound-derived emissions calculated at Pacaya Volcano, but less than those calculated at Mt. Erebus Volcano. From this, we determine slug bursts at Tolbachik Volcano in February and August were larger on average than those at Pacaya Volcano in 2010, but smaller on average than those at Mt. Erebus in 2008. Our overall emissions estimates are in general agreement with estimates from satellite observations. This agreement supports the monopole source inversion as a potential method for estimating mass of emissions from slug burst events.
Alidibirov M.A., Bogoyavlenskaya G.E., Kirsanov I.T., Firstov P.P., Girina O.A., Belousov A.B., Zhdanova E.Yu., Malyshev A.I. The 1985 eruption of Bezymianny // Volcanology and Seismology. 1990. V. 10. № 6. P. 839-863.
Almeev R.R., Ariskin A.A., Ozerov A.Yu., Kononkova N.N. Problems of the Stoichiometry and Thermobarometry of Magmatic Amphiboles: An Example of Hornblende from the Andesites of Bezymyannyi Volcano, Eastern Kamchatka // Geochemistry International. 2002. V. 40. № 8. P. 723-738.
Almeev R.R., Kimura J.I., Ariskin A.A., Ozerov A.Yu. Fractionation history recorded in phenocrysts: LA-ICPMS study of clinopyroxenes from Klyuchevskoy and Bezymianny volcanoes, Kamchatka // Berichte der Deutchen Mineralogischen Gesellschaft (N1). DMG-2006 Hannover, Germany, 25-27 September 2006. 2006. P. 8
Almeev R.R., Kimura J.I., Ozerov A.Yu., Ariskin A.A. Geochemical evidences of the genetic relationships between basalts of Klyuchevskoy and andesites of Bezymyanny volcanoes // The Japan Earth and Planetary Science Joint Meeting: Tokyo, Japan. 2002. P. K080-P003.
Almeev R.R., Kimura J.I., Ozerov A.Yu., Ariskin A.A., Barmina G.S. From high-Mg basalts to dacites: continued crystal fractionation in the Klyuchevskoy-Bezymianny magma plumbing system, Kamchatka // Goldschmidt Conference Abstracts 2003. 2003. P. A13
Almeev R.R., Kimura J.I., Ozerov A.Yu., Ariskin A.A., Barmina G.S. Geochemistry of Bezymianny volcano lavas: signatures of a mantle precursor and magma fractionation // Geophysical Research Abstracts. 2004. V. 6. P. 04913
Almeev R.R., Ozerov A.Yu., Ariskin A.A., Kimura J.I. The role of hornblende fractionation in the generation of andesitic lavas of Bezymyanny volcano, Kamchatka: phase equilibria analysis // The Japan Earth and Planetary Science Joint Meeting: Tokyo, Japan. 2002. P. K080-P004.


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