Bezymianny Volcano. Bibliography
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Kirianov V.Yu., Egorova I.A., Litasova S.N. Volcanic ash on Bering Island (Commander Islands) and Kamchatkan Holocene Eruptions // Volcanology and Seismology. 1990. Vol. 8. № 6. P. 850-868.
Koulakov Ivan, Gordeev Evgeniy I., Dobretsov Nikolay L., Vernikovsky Valery A., Senyukov Sergey, Jakovlev Andrey, Jaxybulatov Kayrly Rapid changes in magma storage beneath the Klyuchevskoy group of volcanoes inferred from time-dependent seismic tomography // Journal of Volcanology and Geothermal Research. 2013. Vol. 263. P. 75 - 91. doi: 10.1016/j.jvolgeores.2012.10.014.    Annotation
We present the results of time-dependent local earthquake tomography for the Kluchevskoy group of volcanoes in Kamchatka, Russia. We consider the time period from 1999 to 2009, which covers several stages of activity of Kluchevskoy and Bezymianny volcanoes. The results are supported by synthetic tests that recover a common 3D model based on data corresponding to different time windows. Throughout the period, we observe a robust feature below 25 km depth with anomalously high Vp/Vs values (up to 2.2). We interpret this feature as a channel bringing deep mantle materials with high fluid and melt content to the bottom of the crust. This mantle channel directly or indirectly determines the activity of all volcanoes of the Kluchevskoy group. In the crust, we model complex structure that varies over time. During the pre-eruptive period, we detected two levels of potential magma storage: one in the middle crust at 10–12 km depth and one close to the surface just below Kluchevskoy volcano. In 2005, a year of powerful eruptions of Kluchevskoy and Besymiyanny volcanoes, we observe a general increase in Vp/Vs throughout the crust. In the relaxation period following the eruption, the Vp/Vs values are generally low, and no strong anomalous zones in the crust are observed. We propose that very rapid variations in Vp/Vs are most likely due to abrupt changes in the stress and deformation states, which cause fracturing and the active transport of fluids. These fluids drive more fracturing in a positive feedback system that ultimately leads to eruption. We envision the magma reservoirs beneath the Kluchevskoy group as sponge-structured volumes that may quickly change the content of the molten phases as fluids pulse rapidly through the system.
Ladygin V.М., Girina O.A., Frolova Yu.V. Petrophysical features of lava flows from Bezymyannyi volcano, Kamchatka // Journal of Volcanology and Seismology. 2012. Vol. 6. № 6. P. 341-351. doi: 10.1134/S074204631206005X.    Annotation
This paper presents results from a study of lava flows that were discharged by Bezymyannyi Volcano at different times, from old (about 3500 years ago) to recent ones (1985–1989). We provide detailed descriptions of the composition, structure, and petrophysical properties for the main types of constituent rocks, which are andesites and basaltic andesites. It was found that porosity is the leading factor that controls rock properties, while the effects of structural and mineralogical features are less prominent. We demonstrate the variation in the properties of rocks that compose the lava flows in relation to their ages: the older a rock is, the higher its density and strength and the lower its porosity is.
Ladygin V.М., Girina O.A., Frolova Yu.V., Kondrashov I.A. The lava flows of Bezymianny volcano, Kamchatka // 4rd International Biennial Workshop on Subduction Processes emphasizing the Japan-Kurile-Kamchatka-Aleutian Arcs, Petropavlovsk-Kamchatsky, August 21-27, 2004. Petropavlovsk-Kamchatsky: IVS FED RAS. 2004. P. 63-64.
Maksimov A.P., Firstov P.P., Girina O.A., Malyshev A.I. The June 1986 eruption of Bezymyannyi // Volcanology and Seismology. 1992. Vol. 13. № 1. P. 1-20.    Annotation
This paper presents the results of visual observations, particle-size analysis, seismological observations, and acoustic measurements carried out during a small-magnitude eruption of Bezymyannyi in June 1986. A mlodel is proposed for the mechanism of the eruption. A specific character of the eruption is explained by a deeper localization of a gas-rich aagia portion in the conduit,
Manevich A.G., Girina O.A., Melnikov D.V., Nuzhdaev A.A. 2016-2017 explosive eruptions of Kamchatka volcanoes based on KVERT data // JKASP-2018. Petropavlovsk-Kamchatsky: IVS FEB RAS. 2018.
Mania Rene, Walter Thomas, Belousova Marina, Belousov Alexander, Senyukov Sergey Deformations and Morphology Changes Associated with the 2016–2017 Eruption Sequence at Bezymianny Volcano, Kamchatka // Remote Sensing. 2019. № 11. P. 1278 doi: 10.3390/rs11111278.
Maximov A.P. Petrological constraints on the mechanisms of catastrophic explosive eruptions of andesitic and acid magmas // 7 th Biennual Workshop on Japan-Kamchatka-Alaska Subduction Processes: Mitigating Risk Through International Volcano, Earthquake, and Tsunami Science (JKASP-2011). August 25-30, 2011, Petropavlovsk-Kamchatsky. 2011. P. 257-258.
McGimsey R.G., Neal C.A., Girina O.A. 1998 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory Open-File Report 2004-1033. 2003. 35 p.    Annotation
In 1998 the Alaska Volcano Observatory responded to eruptive activity or suspect volcanic activity at 7 volcanic centers--Shrub mud, Augustine, Becharof Lake area, Chiginagak, Shishaldin, Akutan, and Korovin.

In addition to responding to eruptive activity at Alaska volcanoes, AVO also disseminated information for the Kamchatkan Volcanic Eruption Response Team about the 1998 activity of 4 Russian volcanoes-Sheveluch, Klyuchevskoy, Bezymianny, and Karymsky.
McGimsey R.G., Neal C.A., Girina O.A. 1999 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of The Alaska Volcano Observatory Open-File Report 2004-1033. 2004. 45 p.