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Debris avalanche of the 1956 Bezymianny eruption (1988)
Белоусов А.Б., Богоявленская Г.Е. Debris avalanche of the 1956 Bezymianny eruption // Kagoshima International Conference on Volcanoes: Proceedings of the International Conference on Volcanoes, Japan, Kagoshima, 19-23 July 1988. Kagoshima: Kagoshima Prefectural Government. 1988. P. 460-462.
Decoding crystal fractionation in calc-alkaline magmas from the Bezymianny Volcano (Kamchatka, Russia) using mineral and bulk rock compositions (2013)
Almeev Renat R., Kimura Jun-Ichi, Ariskin Alexei A., Ozerov Alexey Yu. Decoding crystal fractionation in calc-alkaline magmas from the Bezymianny Volcano (Kamchatka, Russia) using mineral and bulk rock compositions // Journal of Volcanology and Geothermal Research. 2013. V. 263. P. 141 - 171. doi: 10.1016/j.jvolgeores.2013.01.003.    Annotation
We present a new dataset for whole-rock major, trace, isotopic, and phenocryst compositions indicating a genetic link between andesites of the Holocene eruptions of the Bezymianny stratovolcano (the Bezymianny stage), the andesitic to dacitic Late Pleistocene lava dome complex (the pre-Bezymianny stage), and the magnesian to high-alumina basalts of the adjacent Kliuchevskoi Volcano. We demonstrate that volcanic products from the Bezymianny stage of volcano evolution are most likely the products of magma mixing between silicic products of the earliest stages of magma fractionation and the less evolved basaltic andesite parental melts periodically injected into the magma reservoir. In contrast, the intermediate and silicic magmas of the pre-Bezymianny stage together with basalts from Kliuchevskoi much more closely resemble the liquid line of descent and may represent a unique prolonged and continuous calc-alkaline trend of magma evolution from high-magnesian basalt to dacite. As a result of the geothermobarometry, we recognize variable conditions of magma fractionation and magma storage beneath Bezymianny for different magma types during its evolution since the Late Pleistocene: (1) 1100–1150 °C, 500–640 MPa, 1–2.5 wt. H2O for parental basaltic andesite; (2) 1130–1050 °C, 700–600 MPa, 2.5–5 wt. H2O for two-pyroxene andesites; (3) 1040–990 °C, 560–470 MPa, 5–6.5 wt. H2O for orthopyroxene-bearing andesites; (4) 950–1000 °C, 450–150 MPa, 3.5–5.5 wt. H2O for hornblende-bearing andesites; and (5) 950–900 °C, 410–250 MPa, 6–7 wt. H2O for dacites. Repeated basalt injections and magma fractionation combined with internal mixing in the magma chamber are the main processes responsible for both the complex petrography and the geochemical trends observed in the lavas of Bezymianny Volcano.
Deformations and earthquakes of Kliuchevskoi Volcano: a model of its activity (1987)
Fedotov S.A., Gorelchik V.I., Zharinov N.A. Deformations and earthquakes of Kliuchevskoi Volcano: a model of its activity // Comptes rendus of the XIX General Assembly of the I.U.G.G.: Vancouver, August 9-22, 1987. 1987. V. 2. P. 392
Degassing explosion at Karymsky volcano, Kamchatka (1998)
Lees J.M., Johnson J.B., Gordeev E.I., Ozerov A.Yu. Degassing explosion at Karymsky volcano, Kamchatka // Abstracts of international seismic volcanic workshop on Kamchatkan and Alaska-Aleutian island arcs, Petropavlovsk-Kamchatsky, July 1-9, 1998. 1998. P. 23
Deposits of the 30 March 1956 directed blast at Bezymianny volcano, Kamchatka, Russia (1996)
Belousov Alexander Deposits of the 30 March 1956 directed blast at Bezymianny volcano, Kamchatka, Russia // Bulletin of Volcanology. 1996. V. 57. № 8. P. 649-662. doi:10.1007/s004450050118.
Deposits, character and timing of recent eruptions and gravitational collapses in Tatun Volcanic Group, Northern Taiwan: Hazard-related issues (2010)
Belousov Alexander, Belousova Marina, Chen Chang-Hwa, Zellmer Georg F. Deposits, character and timing of recent eruptions and gravitational collapses in Tatun Volcanic Group, Northern Taiwan: Hazard-related issues // Journal of Volcanology and Geothermal Research. 2010. V. 191. № 3-4. P. 205-221. doi:10.1016/j.jvolgeores.2010.02.001.
Deposits, petrology and mechanism of the 2010–2013 eruption of Kizimen volcano in Kamchatka, Russia (2018)
Auer A., Belousov A., Belousova M. Deposits, petrology and mechanism of the 2010–2013 eruption of Kizimen volcano in Kamchatka, Russia // Bulletin of Volcanology. 2018. V. 80. № 33.
Detection of a new summit crater on Bezymianny Volcano lava dome: satellite and field-based thermal data (2007)
Carter Adam J., Ramsey Michael S., Belousov Alexander B. Detection of a new summit crater on Bezymianny Volcano lava dome: satellite and field-based thermal data // Bulletin of Volcanology. 2007. V. 69. № 7. P. 811-815. doi:10.1007/s00445-007-0113-x.
Determination of the explosion energy in some volcanoes according to barograms (1960)
Gorshkov G.S. Determination of the explosion energy in some volcanoes according to barograms // Bulletin Volcanologique. 1960. V. 23. № 2. P. 141-144.
Dike model for the 2012–2013 Tolbachik eruption constrained by satellite radar interferometry observations (2015)
Lundgren Paul, Kiryukhin Alexey, Milillo Pietro, Samsonov Sergey Dike model for the 2012–2013 Tolbachik eruption constrained by satellite radar interferometry observations // Journal of Volcanology and Geothermal Research. 2015. V. 307. P. 79 - 88. doi: 10.1016/j.jvolgeores.2015.05.011.    Annotation
Abstract A large dike intrusion and fissure eruption lasting 9 months began on November 27, 2013, beneath the south flank of Tolbachik Volcano, Kamchatka, Russia. The eruption was the most recent at Tolbachik since the Great Tolbachik Eruption from 1975 to 1976. The 2012 eruption was preceded by more than 6 months of seismicity that clustered beneath the east flank of the volcano along a NW–SE trend. Seismicity increased dramatically before the eruption, with propagation of the seismicity from the central volcano conduit in the final hours. We use interferometric synthetic aperture radar (InSAR) to compute relative displacement images (interferograms) for {SAR} data pairs spanning the eruption. We use satellite {SAR} data from the Canadian Space Agency's RADARSAT-2 and from the Italian Space Agency's COSMO-SkyMed missions. Data are modeled first through a Markov Chain Monte Carlo solution for a single tensile dislocation (dike). We then use a boundary element method that includes topography to model a distributed dike-opening model. We find the best-fitting dike dips 80° to the {WNW} with maximum opening of 6–8 m, localized in the near surface and more broadly distributed in distinct regions up to 3 km beneath the surface, which varies from 1 to 2 km elevation for the eruptive fissures. The distribution of dike opening and its correspondence with co-diking seismicity suggests that the dike propagated radially from Tolbachik's central conduit.





 

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