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Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography. / Green, Robert G.; Sens-Schönfelder, Christoph; Shapiro, Nikolai и др.

в: Journal of Geophysical Research: Solid Earth, Том 125, № 3, e2019JB018900, 01.03.2020.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Green, RG, Sens-Schönfelder, C, Shapiro, N, Koulakov, I, Tilmann, F, Dreiling, J, Luehr, B, Jakovlev, A, Abkadyrov, I, Droznin, D & Gordeev, E 2020, 'Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography', Journal of Geophysical Research: Solid Earth, Том. 125, № 3, e2019JB018900. https://doi.org/10.1029/2019JB018900

APA

Green, R. G., Sens-Schönfelder, C., Shapiro, N., Koulakov, I., Tilmann, F., Dreiling, J., Luehr, B., Jakovlev, A., Abkadyrov, I., Droznin, D., & Gordeev, E. (2020). Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography. Journal of Geophysical Research: Solid Earth, 125(3), [e2019JB018900]. https://doi.org/10.1029/2019JB018900

Vancouver

Green RG, Sens-Schönfelder C, Shapiro N, Koulakov I, Tilmann F, Dreiling J и др. Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography. Journal of Geophysical Research: Solid Earth. 2020 март 1;125(3):e2019JB018900. doi: 10.1029/2019JB018900

Author

Green, Robert G. ; Sens-Schönfelder, Christoph ; Shapiro, Nikolai и др. / Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography. в: Journal of Geophysical Research: Solid Earth. 2020 ; Том 125, № 3.

BibTeX

@article{0678f0af81024bc59f384f66b11af825,
title = "Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography",
abstract = "The Klyuchevskoy Volcanic Group is a cluster of the world's most active subduction volcanoes, situated on the Kamchatka Peninsula, Russia. The volcanoes lie in an unusual off-arc position within the Central Kamchatka Depression (CKD), a large sedimentary basin whose origin is not fully understood. Many gaps also remain in the knowledge of the crustal magmatic plumbing system of these volcanoes. We conducted an ambient noise surface wave tomography, to image the 3-D shear wave velocity structure of the Klyuchevskoy Volcanic Group and CKD within the surrounding region. Vertical component cross correlations of the continuous seismic noise are used to measure interstation Rayleigh wave group and phase traveltimes. We perform a two-step surface wave tomography to model the 3-D Vsv velocity structure. For each inversion stage we use a transdimensional Bayesian Monte Carlo approach, with coupled uncertainty propagation. This ensures that our model provides a reliable 3-D velocity image of the upper 15 km of the crust, as well as a robust assessment of the uncertainty in the observed structure. Beneath the active volcanoes, we image small slow velocity anomalies at depths of 2–5 km but find no evidence for magma storage regions deeper than 5 km—noting the 15 km depth limit of the model. We also map two clearly defined sedimentary layers within the CKD, revealing an extensive 8 km deep sedimentary accumulation. This volume of sediments is consistent with the possibility that the CKD was formed as an Eocene-Pliocene fore-arc regime, rather than by recent (<2 Ma) back-arc extension.",
keywords = "ambient noise, Bayesian, Central Kamchatka Depression, Klyuchevskoy, tomography, transdimensional, SEISMICITY, RESOLUTION, BEZYMIANNY, DEFORMATION, MANTLE, ARC, EVOLUTION, SLAB, CHAMBERS BENEATH, ACTIVE VOLCANOS",
author = "Green, {Robert G.} and Christoph Sens-Sch{\"o}nfelder and Nikolai Shapiro and Ivan Koulakov and Frederik Tilmann and Jennifer Dreiling and Birger Luehr and Andrey Jakovlev and Ilyas Abkadyrov and Dima Droznin and Evgeny Gordeev",
year = "2020",
month = mar,
day = "1",
doi = "10.1029/2019JB018900",
language = "English",
volume = "125",
journal = "Journal of Geophysical Research: Solid Earth",
issn = "2169-9313",
publisher = "Wiley-Blackwell",
number = "3",

}

RIS

TY - JOUR

T1 - Magmatic and Sedimentary Structure beneath the Klyuchevskoy Volcanic Group, Kamchatka, From Ambient Noise Tomography

AU - Green, Robert G.

AU - Sens-Schönfelder, Christoph

AU - Shapiro, Nikolai

AU - Koulakov, Ivan

AU - Tilmann, Frederik

AU - Dreiling, Jennifer

AU - Luehr, Birger

AU - Jakovlev, Andrey

AU - Abkadyrov, Ilyas

AU - Droznin, Dima

AU - Gordeev, Evgeny

PY - 2020/3/1

Y1 - 2020/3/1

N2 - The Klyuchevskoy Volcanic Group is a cluster of the world's most active subduction volcanoes, situated on the Kamchatka Peninsula, Russia. The volcanoes lie in an unusual off-arc position within the Central Kamchatka Depression (CKD), a large sedimentary basin whose origin is not fully understood. Many gaps also remain in the knowledge of the crustal magmatic plumbing system of these volcanoes. We conducted an ambient noise surface wave tomography, to image the 3-D shear wave velocity structure of the Klyuchevskoy Volcanic Group and CKD within the surrounding region. Vertical component cross correlations of the continuous seismic noise are used to measure interstation Rayleigh wave group and phase traveltimes. We perform a two-step surface wave tomography to model the 3-D Vsv velocity structure. For each inversion stage we use a transdimensional Bayesian Monte Carlo approach, with coupled uncertainty propagation. This ensures that our model provides a reliable 3-D velocity image of the upper 15 km of the crust, as well as a robust assessment of the uncertainty in the observed structure. Beneath the active volcanoes, we image small slow velocity anomalies at depths of 2–5 km but find no evidence for magma storage regions deeper than 5 km—noting the 15 km depth limit of the model. We also map two clearly defined sedimentary layers within the CKD, revealing an extensive 8 km deep sedimentary accumulation. This volume of sediments is consistent with the possibility that the CKD was formed as an Eocene-Pliocene fore-arc regime, rather than by recent (<2 Ma) back-arc extension.

AB - The Klyuchevskoy Volcanic Group is a cluster of the world's most active subduction volcanoes, situated on the Kamchatka Peninsula, Russia. The volcanoes lie in an unusual off-arc position within the Central Kamchatka Depression (CKD), a large sedimentary basin whose origin is not fully understood. Many gaps also remain in the knowledge of the crustal magmatic plumbing system of these volcanoes. We conducted an ambient noise surface wave tomography, to image the 3-D shear wave velocity structure of the Klyuchevskoy Volcanic Group and CKD within the surrounding region. Vertical component cross correlations of the continuous seismic noise are used to measure interstation Rayleigh wave group and phase traveltimes. We perform a two-step surface wave tomography to model the 3-D Vsv velocity structure. For each inversion stage we use a transdimensional Bayesian Monte Carlo approach, with coupled uncertainty propagation. This ensures that our model provides a reliable 3-D velocity image of the upper 15 km of the crust, as well as a robust assessment of the uncertainty in the observed structure. Beneath the active volcanoes, we image small slow velocity anomalies at depths of 2–5 km but find no evidence for magma storage regions deeper than 5 km—noting the 15 km depth limit of the model. We also map two clearly defined sedimentary layers within the CKD, revealing an extensive 8 km deep sedimentary accumulation. This volume of sediments is consistent with the possibility that the CKD was formed as an Eocene-Pliocene fore-arc regime, rather than by recent (<2 Ma) back-arc extension.

KW - ambient noise

KW - Bayesian

KW - Central Kamchatka Depression

KW - Klyuchevskoy

KW - tomography

KW - transdimensional

KW - SEISMICITY

KW - RESOLUTION

KW - BEZYMIANNY

KW - DEFORMATION

KW - MANTLE

KW - ARC

KW - EVOLUTION

KW - SLAB

KW - CHAMBERS BENEATH

KW - ACTIVE VOLCANOS

UR - http://www.scopus.com/inward/record.url?scp=85082319918&partnerID=8YFLogxK

U2 - 10.1029/2019JB018900

DO - 10.1029/2019JB018900

M3 - Article

AN - SCOPUS:85082319918

VL - 125

JO - Journal of Geophysical Research: Solid Earth

JF - Journal of Geophysical Research: Solid Earth

SN - 2169-9313

IS - 3

M1 - e2019JB018900

ER -

ID: 23891986