Standard

Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017. / Berezhnev, Yaroslav; Belovezhets, Nadezhda; Shapiro, Nikolai et al.

In: Journal of Volcanology and Geothermal Research, Vol. 433, 107735, 01.2023.

Research output: Contribution to journal › Article › peer-review

Harvard

Berezhnev, Y, Belovezhets, N, Shapiro, N & Koulakov, I 2023, 'Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017', Journal of Volcanology and Geothermal Research, vol. 433, 107735. https://doi.org/10.1016/j.jvolgeores.2022.107735

APA

Berezhnev, Y., Belovezhets, N., Shapiro, N., & Koulakov, I. (2023). Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017. Journal of Volcanology and Geothermal Research, 433, [107735]. https://doi.org/10.1016/j.jvolgeores.2022.107735

Vancouver

Berezhnev Y, Belovezhets N, Shapiro N, Koulakov I. Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017. Journal of Volcanology and Geothermal Research. 2023 Jan;433:107735. doi: 10.1016/j.jvolgeores.2022.107735

Author

Berezhnev, Yaroslav ; Belovezhets, Nadezhda ; Shapiro, Nikolai et al. / Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017. In: Journal of Volcanology and Geothermal Research. 2023 ; Vol. 433.

BibTeX

@article{763b691376a641d8b7d2fdd8af666325,
title = "Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017",
abstract = "The strong explosive eruption of Bezymianny volcano (Klychevskoy volcano group) occurred on 21 December 2017, the preparation phases of which were recorded by a local seismic network. Applying methods of estimation of seismic velocity changes based on cross-correlation of ambient noise, we obtained different velocity variations at several passbands before the eruption. In order to explain the observations obtained, we performed qualitative mechanical estimates of stress changes resulting from the migration of the pressure source. The obtained and estimated velocity changes have the same patterns. We propose that observed and evaluated velocity changes are caused by fluids migration from mid-crustal magma reservoir of the Bezymianny volcano to the shallow magma chamber that then triggered the eruption.",
keywords = "Ambient noise, Bezymianny volcano, Eruption precursors, Kamchatka, Seismic velocity variation, Stress state modeling",
author = "Yaroslav Berezhnev and Nadezhda Belovezhets and Nikolai Shapiro and Ivan Koulakov",
note = "This study is supported by the Russian Science Foundation Grant # 22-27-00374.",
year = "2023",
month = jan,
doi = "10.1016/j.jvolgeores.2022.107735",
language = "English",
volume = "433",
journal = "Journal of Volcanology and Geothermal Research",
issn = "0377-0273",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Temporal changes of seismic velocities below Bezymianny volcano prior to its explosive eruption on 20.12.2017

AU - Berezhnev, Yaroslav

AU - Belovezhets, Nadezhda

AU - Shapiro, Nikolai

AU - Koulakov, Ivan

N1 - This study is supported by the Russian Science Foundation Grant # 22-27-00374.

PY - 2023/1

Y1 - 2023/1

N2 - The strong explosive eruption of Bezymianny volcano (Klychevskoy volcano group) occurred on 21 December 2017, the preparation phases of which were recorded by a local seismic network. Applying methods of estimation of seismic velocity changes based on cross-correlation of ambient noise, we obtained different velocity variations at several passbands before the eruption. In order to explain the observations obtained, we performed qualitative mechanical estimates of stress changes resulting from the migration of the pressure source. The obtained and estimated velocity changes have the same patterns. We propose that observed and evaluated velocity changes are caused by fluids migration from mid-crustal magma reservoir of the Bezymianny volcano to the shallow magma chamber that then triggered the eruption.

AB - The strong explosive eruption of Bezymianny volcano (Klychevskoy volcano group) occurred on 21 December 2017, the preparation phases of which were recorded by a local seismic network. Applying methods of estimation of seismic velocity changes based on cross-correlation of ambient noise, we obtained different velocity variations at several passbands before the eruption. In order to explain the observations obtained, we performed qualitative mechanical estimates of stress changes resulting from the migration of the pressure source. The obtained and estimated velocity changes have the same patterns. We propose that observed and evaluated velocity changes are caused by fluids migration from mid-crustal magma reservoir of the Bezymianny volcano to the shallow magma chamber that then triggered the eruption.

KW - Ambient noise

KW - Bezymianny volcano

KW - Eruption precursors

KW - Kamchatka

KW - Seismic velocity variation

KW - Stress state modeling

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85144447467&origin=inward&txGid=d20e3a08559c53f124ffae5da2545593

UR - https://www.mendeley.com/catalogue/c8b0077f-f982-3a63-848e-f35bbb37f9e6/

U2 - 10.1016/j.jvolgeores.2022.107735

DO - 10.1016/j.jvolgeores.2022.107735

M3 - Article

VL - 433

JO - Journal of Volcanology and Geothermal Research

JF - Journal of Volcanology and Geothermal Research

SN - 0377-0273

M1 - 107735

ER -

ID: 55517918